Carbon dioxide detector deals(Disclaimer)
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🏅 151 carbon dioxide detectors in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 10.10.2026
27% discount
Kidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home
Continuous monitoring End-of-life alarm Test/reset button Battery operation Multi-function green and red LED's Warning!
£ 13.75
£ 18.95
To the offer
15% discount
X-Sense Wi-Fi Carbon Monoxide Alarm with App Functions, XC0C-iR, 1 Pack | Silence via App, CO Alarm with LCD Digital Display, Replaceable Battery, Compatible with X-Sense Home Security App
Please Note: This XC0C-iR carbon monoxide alarm directly connects to the app via a 2.4 GHz Wi-Fi network; it is not compatible with SBS50 base station and does not support interconnect function Instant Notifications: Get real-time alerts on your phone for CO alarms, low battery warnings, faults, and precautionary CO alerts; the device-sharing feature keeps every family member informed if there is any danger One Tap to Mute: When the smart CO detector is triggered, the app show PPM changes in real time; once you confirm that everything is OK, you can silence the alarm with a single tap in the app (note: the silence function is disabled if levels exceed 300 ppm) 10-Year Lifespan: This carbon monoxide detector has a durable electrochemical sensor that works for 10 years, giving long-term peace of mind Free-Standing or Wall-Mounted: Stand this CO alarm on any flat surface or mount it on the wall with the included screws; for best results, install at breathing level and keep it clear of obstructions Travel-Friendly: Slip this compact 142 × 75 mm CO detector into your bag or suitcase so that you’re protected away from home where CO leaks are unknown; powered by a replaceable CR123A battery, this device can be used anywhere Easy to Use: Standalone buttons let you easily test/silence the alarm or check peak levels with a single tap, enhancing ease of use while improving accuracy Clear Status: The backlit display clearly shows current PPM CO levels; a 4-color LED indicator shows the status: red for alarm, yellow for fault or low battery, green for working normal, and blue for pairing mode
£ 23.79
£ 27.99
To the offer
22% discount
FireAngel FA6813 Portable Carbon Monoxide Detector/Alarm, 10 Year CO Alarm | 1-Pack, Battery Powered Carbon Monoxide Alarm for Home & Travel, CO Alarm Detector Monitor for Caravans, Campervans & Cars
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light. NEVER IGNORE THIS ALARM.
£ 13.98
£ 17.99
To the offer
15% discount
Temtop CO2 Monitor Indoor Air Quality Monitor Portable Carbon Dioxide Detector CO2 Temperature Humidity Meter for Home Office School
Multifunctional CO2 monitor - Real-time CO2 detect, humidity and temperature monitor. CO2 detection range: 400-5000PPM. Temperature detection range: -10-60°C (14-140°F).
£ 42.49
£ 49.99
To the offer
X-Sense Smoke and Carbon Monoxide Alarm, 10-Year Battery, SC07,1 Pack | Smoke Alarm for Home with LCD Display, Compliant with EN 14604 and EN 50291 Standards
Attention: The SC07 Combination Smoke and Carbon Monoxide Alarm is not compatible with the SBS50 Base Station and does not support interconnectivity or any APP functionality 2-In-1 Protection: Equipped with both photoelectric smoke sensor and electrochemical CO sensors that work independently of each other, this smoke alarm and carbon monoxide detector instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit Built-In 10-Year Battery: Provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; this smoke alarm and carbon monoxide alarm saves you from constantly having to change batteries or wonder if your alarm is still functioning Accurate, Reliable & Highly Sensitive: The X-Sense combination smoke and CO alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360 ° ring of air intakes ensures complete detection with no blind spots LED Indicator: Clearly informs you of the working status of the smoke alarm with its 3-color flashing LED indicator (green LED indicates normal operation, red LED indicates the alarm status, and yellow LED indicates a fault), ensuring the safety and security of your home 24/7 Large LCD Display: Clearly displays battery level and the real-time CO levels in PPM (parts per million) taken from the surrounding air, with an updated measurement taken every 10 seconds, ensuring you are always aware of the status of your carbon monoxide and smoke detector
£ 27.71
free delivery
To the offer
18% discount
Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with Test/Silence Button,Carbon-Monoxide-Detector Comforms to EN 50291 Standard
【Accurate and Reliable】- This CO alarm is equipped with a 10-year sensor that can give a high and stable performance of accurate CO detection and ensures few false alarm. 【10-Year Battery Life】- The carbon monoxide detector comes with a replaceable battery of 10-year that will keep your home continous protection.
£ 13.19
£ 15.99
To the offer
15% discount
Safeliveo Carbon Monoxide Detector with Replaceable Battery, White, 1Pack | EN50291 certified, CO Alarm with Digital Display - 10 Years Sensor Life, Portable for home & travel with CO Peak Value Memory
Replaceable Batteries: This Carbon Monoxide Detector is powered by two replaceable AA batteries that last 1 years. Equipped with a 10-year lifespan electrochemical sensor, it can more accurately detect dangerous carbon monoxide concentrations and trigger the alarm quickly.
£ 12.71
£ 14.99
Only:
34hrs
14min
05sec
To the offer
28% discount
XINDUM Carbon Monoxide Detector 10-Year Battery LCD Display CE Black 1Pack | EN50291 certified, Electrochemical sensor, 85dB alarm, mount wall/Stand, Portable Carbon Monoxide Alarm for home , Standalone
Accurate Relialbel CO Detector: Comply with EN 50291 standard, CE Certified Carbon Monoxide alarm, equipped with high accuracy and reliable electrochemical sensor, continuously measure CO concentration in ambient air.
£ 14.43
£ 19.99
To the offer
SwitchBot CO2 detector with Built-in Hygrometer, Temperature Humidity Monitor with carbon dioxide monitor, Bluetooth CO2 Monitor, 2-Year Data Storage, SwitchBot Hub Required for WiFi Function
6-in-1 Multi-Functional Display Screen: SwitchBot Meter Pro CO2 features a large screen that simultaneously displays CO2 levels, temperature, humidity, time, date, comfort level, and weather forecasts (SwitchBot Hub 2 required).
£ 51.98
free delivery
To the offer
Carbon Monoxide Detector,Carbon Monoxide Alarm with PPM Display,CO Alarm with Test Button Battery Powered,CO Detector Monitor with 85 dB Audible for Home and Holiday(Batteries NOT Included)
Advanced CO Detection: Equipped with an advanced electrochemical sensor,This carbon monoxide detector detects dangerous levels of carbon monoxide (CO) in your home. Upon detecting hazardous CO concentrations, the alarm emits a loud sound (85 dB at 3 meters) alongside a flashing red ‘CO’ LED light.
£ 9.99
free delivery
To the offer
Twin Pack Kidde 5CO Battery Powered Carbon Monoxide Alarm and Detector - 10 Year Sensor Life with AA Batteries
BATTERY POWERED: Each alarm comes equipped with 2x AA batteries included, allowing your alarm to be set up immediately upon receipt
£ 23.50
free delivery
To the offer
Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector with LED Display (PPM Value Visible at All Times) and 85 dB Audible and Visual Alarm.
【Mini Carbon Monoxide Detector】is equipped with an LCD display for easy real-time reading of values (ppm) and audible and visual alarms.
£ 9.99
free delivery
To the offer
X-Sense Carbon Monoxide Detector, 10 Year Sensor Life, XC0C-SR, 1 Pack | CO Alarm with Replaceable Battery, Comforms to EN 50291 Standard, Digital Display, CO Peak Value Memory
10-Year Lifespan: Protect your loved ones from the silent threat of carbon monoxide for an entire decade with this reliable 10-year CO sensor; powered by replaceable AA batteries that last 3 years Versatile Placement Options: This carbon monoxide detector's freestanding design allows you to place it on any flat surface, such as a desk, bookshelf, or bedside table; screws are also included to mount it on the wall Sleek and Compact: Measuring just 75 × 142 × 32 mm, this small and unobtrusive carbon monoxide alarm looks good in any room, meaning you never have to compromise style for safety Intuitive to Use: Easily use this alarm even in urgent situations thanks to its simple, size-differentiated buttons; enjoy reliable access to critical functions like checking the peak CO levels or testing/silencing the alarm Easy to Understand: See the current CO level on a clear display; a tri-color LED tells you the alarm’s status at a glance: red for alarm, yellow for fault or low battery, and green for working normally
£ 15.98
free delivery
To the offer
Kidde 10LLDCO Ten Year Life Carbon Monoxide Alarm Digital Display with Sealed Longlife Battery
10 year manufacturer's assurance Model number: 10LLDCO
£ 24.94
free delivery
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FireAngel FA6812 Digital Carbon Monoxide Detector for Home, 10yr CO Alarm | 1-Pack, Portable, Battery Carbon Monoxide Alarm for Home & Travel, CO Alarm Detector Monitor w/Screen for Campervans & Cars
CARBON MONOXIDE ALARM: The 10-year electrochemical sensor detects dangerous carbon monoxide (CO) levels, alerting with 4 loud chirps and a flashing red light.
£ 18.99
free delivery
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Carbon Dioxide Detector, 5-in-1 Air Quality Monitor Detector Indoor | Digital TVOC HCHO Monitor Temp Humidity Tester Backlight Display Indoor CO2 Monitor Detector for Home Office Gym Black
Easy to Use: CO2 air quality detector sensor module is highly accurate, stable and resistant to interference. The concentration of carbon dioxide can be displayed accurately.
£ 16.99
free delivery
To the offer
Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries
Accurately alarms from 50 ppm of CO in the air Electro-chemical CO sensor accurately detects the presence of Carbon Monoxide and emits a loud, clear alarm to alert residents Suitable for installations in homes in England and Wales (not suitable for homes in Scotland under the new 2022 legislation) Sleek & compact - dimensions (HxWxD): 61 x 96 x 38mm Provides low battery warning when batteries require replacement CE marked, and UKCA tested and certified 3 Year Manufacturer’s Warranty TUV Certified to EN 50291-1:2018
£ 13.99
free delivery
To the offer
15% discount
Carbon Monoxide Detector – 10-Year Sealed Battery CO Alarm with LCD Display, Carbon Monoxide Alarms for Home, EN 50291 Certified – Alertlink VC22R
Certified Accuracy & Loud Alert – Complies with EN 50291 and UKCA standards, this reliable carbon monoxide alarm accurately monitors CO levels in ambient air.
£ 16.14
£ 18.99
To the offer
focombance PA-008
Usage Steps: After fully charged, it needs to be left for 1 hour before use. Turn on the product and place it in a ventilated environment for 20-30 minutes, then place it in the environment that needs to be tested. If the CO2 data does not decrease to around 400PPM in a ventilated environment, please double-click the power button and let it sit for another 20 minutes before use.
£ 12.53
free delivery
To the offer
Kidde 5DCO Digital Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life Digital Display CO Alarm - 7 Year Warranty
Compact, slimline case. Dimensions = 127mm x 73mm x 39mm. Weight = 170g. 10 year sensor lifespan.
£ 17.99
free delivery
To the offer
15% discount
Temtop Air Quality Monitor for CO2 PM2.5 PM10 Particles Detector Temperature Humidity Insights Audio Alarm Recording Curve, Data Export, M2000C 2nd
7-in-1 Air Quality Monitor: The detector allows you to take a reading of the CO2, PM2.5, PM10, Temperature and Humidity.
£ 144.49
£ 169.99
To the offer
INKBIRDPLUS Portable CO2 Detector, Air Quality Monitor with LCD Display | Rechargeable Battery, CO2 Monitor with Indicator Light, Alarm, Automatic Calibration, for Home, Office, Travel Camping
High Precision Sensor: This CO2 detector features an advanced NDIR sensor, using infrared technology for precise CO2 measurement.
£ 33.99
free delivery
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Sicomne CO2 Monitor Detector, 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity SensMonitor LCD Display Home Office Gym Car Multi
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
£ 15.68
free delivery
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LSENLTY Carbon Dioxide Detector Plug in Wall, 3 in 1 CO2 Meter(Temp, Humidity and CO2 Value), High Accuracy Carbon Dioxide Monitor with Alarm Function and Manual Calibration for Home Office RV
How to Rotate the Screen: When you receive the product and plug it into the socket, if the display screen is upside down, you can long press the "speaker" button to invert the screen 180°. CO2 Detector Wall Plug: This plug-in carbon dioxide detector is plug-and-play, so you won't have to worry about standby time.
£ 39.99
free delivery
To the offer
15% discount
Safeliveo Carbon Monoxide Detector with Replaceable Battery, White, 2Pack | EN50291 certified, CO Alarm with Digital Display - 10 Years Sensor Life, Portable for home & travel with CO Peak Value Memory
Replaceable Batteries: This Carbon Monoxide Detector is powered by two replaceable AA batteries that last 1 years. Equipped with a 10-year lifespan electrochemical sensor, it can more accurately detect dangerous carbon monoxide concentrations and trigger the alarm quickly.
£ 25.40
£ 29.89
Only:
34hrs
14min
05sec
To the offer
FireAngel FA3820 Portable Carbon Monoxide Detector/Alarm, 10 Year Battery | 1-Pack, 10-Year Sealed Battery Carbon Monoxide Alarm for Home & Travel, CO Alarm Monitor for Caravans, Campervans & Cars
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light.
£ 22.00
free delivery
To the offer
Air Quality Monitor Indoor, Carbon Dioxide Monitor with LCD Display, Carbon Dioxide Detector, CO2 Monitor, 5 In 1 Air Pollution Tester for Home Kitchen Office Car
【1-Second Real-Time Updates】The indoor air quality monitor provides updates every second, ensuring continuous real-time tracking of air quality.
£ 15.99
free delivery
To the offer
Heiman Carbon Monoxide Detector, EN 50291 Certified, 10-Year Life CO Alarm Detector with Digital Display, 5-Year Replaceable AA Battery Included
10-Year Lifetime CO Sensor: Equipped with an advanced electrochemical sensor for stable, accurate CO detection and long-term safety performance.
£ 24.99
free delivery
To the offer
Mini Carbon Monoxide Detector, Battery Powered CO monoxide Alarm with LCD Digital Display for Home and Car Safety, CO Monitor Conforms to EN 50291 Standad (1pcs)
Accurate Detection: Our carbon monoxide alarm utilizes an advanced electrochemical sensitivity sensor, to accurately and quickly detect carbon monoxide gas leaks, effectively protecting you against potential hazards while minimizing false alarms.
£ 11.99
free delivery
To the offer
FireAngel FA6813 Portable Carbon Monoxide Detector/Alarm, 10 Year CO Alarm | 2-Pack, Battery Powered Carbon Monoxide Alarm for Home & Travel, CO Alarm Detector Monitor for Caravans, Campervans & Cars
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light. NEVER IGNORE THIS ALARM.
£ 25.99
free delivery
To the offer
33% discount
Netatmo UK NCO-UK Smart Carbon Monoxide Alarm, White
Monitors the carbon monoxide levels emitted by your fuel-burning appliances (boiler, fireplace, etc.) in real time.
£ 59.99
£ 89.99
Only:
58hrs
14min
05sec
To the offer
Kidde 7DCOC 7DCO Kidde Carbon Monoxide Alarm, White
Battery operated (3AA’s included) Two LED’s - Red: Illuminates when in alarm mode, Green: Illuminates when DC power is present, normal operation Test/reset button tests CO alarm circuit operation and allows you to immediately silence the alarm Digital display continuously displays CO levels detected End of life alarm alerts user to replace the alarm after 10-years protection It has replaceable batteries 10 years sensor and warranty Warning!
£ 18.25
free delivery
To the offer
Carbon Monoxide Detectors Battery Powered, AGSMXSYG Carbon Monoxide Alarm with Digital Display, CO Detector Alarms Monitor Battery Operated for Home,RV & Kitchen
High-precision Electrochemical Sensors: imported sensors, high sensitivity, high reliability, real-time monitoring of carbon monoxide gas leakage in the environment.
£ 10.97
free delivery
To the offer
UltraFire UBCO1 Battery Powered Travel Carbon Monoxide Alarm and Detector | For Homes, Caravans, Boats | Replaceable AAA Batteries and 10 Year Warranty | Certified to BS EN 50291-1 and 50291-2
PERFECT FOR TRAVEL: Stay safe whether you're at home or on the go with the UBCO1 Carbon Monoxide Alarm; Kitemarked to BS EN 50291-1 and 50291-2 making it suitable for use in the home, caravans and boats, and when camping or travelling
£ 15.95
free delivery
To the offer
BLACK+DECKER - Carbon Monoxide Alarm and Detector with 10 Year Battery | 10 Year Battery Included, CO Alarm with Quality Sensor. Easy-Install Carbon Monoxide Detector, Portable. White, Test Button
CARBON MONOXIDE ALARMS FOR HOME: High quality electrochemical sensor detects dangerous levels of carbon monoxide (co), which alerts you with 4 loud 85db(a) (at 3 metres) chirps and a flashing red led light
£ 15.99
free delivery
To the offer
Firehawk CO7B-10Y Carbon Monoxide Alarm Detector with 10 Year Battery
Sealed 10 year Lithium battery End of life indicator LED indicators Versatile mounting system Compact & stylish design
£ 19.42
free delivery
To the offer
HOMELYLIFE Carbon Monoxide Detector, Battery Operated Carbon Monoxide Alarm | LCD Digital Display, EN50291 Standard, Light and 85dB Sound Alarm, CO Alarms Monitor for Home Safety, AA Battery NOT Included
[Safe & Reliable] HOMELYLIFE carbon monoxide alarm conforms to the latest EN 50291:2018 standard, uses an electrochemical high sensitivity sensor with a lifetime of up to 5 years, can detect carbon monoxide gas leaks accurately and quickly, protecting you from hazards while minimising false alarms [Light and Sound Alarm] Our CO alarm will monitor the level of carbon monoxide in the air in real time.
£ 9.99
£ 10.44
To the offer
Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Alarm with Digital Display and Test Button, CO Detector Monitor with Replaceable Battery, Ten Years Alarm Sensor Life, AA Battery Powered White
MEEHHEY
£ 12.99
free delivery
To the offer
Defender 10 Year Carbon Monoxide Alarm BSI Rated - Battery Powered CO Detector - Carbon Monoxide Monitor LCD Digital Display - EN50291 Standard
BSI APPROVED CO ALARM - Ensures the safety and well-being of occupants by safeguarding them against the hazards of carbon monoxide poisoning, offering peace of mind and protection.
£ 17.95
free delivery
To the offer
X-Sense Carbon Monoxide Detector, 10-Year Life, EN 50291 Standard, CO03D | Replaceable Battery Operated CO Alarm Detector with Digital Display
ACCURATE & RESPONSIVE: Featuring an advanced Figaro electrochemical CO sensor and a high-performance ST chipset, the X-SENSE Carbon Monoxide Alarm instantly and accurately detects concentration levels of CO, an invisible, deadly gas, while minimizing false alarms; designed to give you the earliest possible warning of CO threat with both a loud 85 dB alarm and a rapid flashing red LED indicator (the LED indicators won’t disturb your sleep while the alarm is in normal working status)
£ 26.99
free delivery
To the offer
15% discount
WisuAlarm Carbon Monoxide Detector, 10-Year Figaro Sensor, 10 Year Battery, Carbon Monoxide Alarm, CO Alarm with LCD Display, Test/Silence Button, EN 50291 Certificated
Accurate and Reliable: This detector utilises high end Figaro electrochemical CO sensor, providing continuous protection against carbon monoxide (CO) for your family, 24/7. 10-year Battery: The detector comes with a replaceable battery that has a lifespan of 10 years, ensuring you won't have to frequently change batteries.
£ 18.69
£ 21.99
To the offer
ELRO FC5003 Carbon Monoxide Alarm and Detector | 10-Year Sensor Life | CO Alarm with 3 Year Battery replaceable | Complies to EN50291
ADVANCED SAFETY: High quality electrochemical sensor for accurate carbon monoxide detection, ensure your safety
£ 13.81
free delivery
To the offer
WOLF SHIELD Carbon Monoxide Detector, 10-Year Sealed Battery, EN 50291-1:2018 Certified, 85dB Siren, CO Alarm for Home, Caravan, Camping & Travel, White
10-YEAR SEALED BATTERY: This carbon monoxide alarm has a lithium battery sealed for life — no battery swaps, no wiring for a whole decade. Near the end of its life, the alarm sounds a clear end-of-life warning so you know it's time to replace it.
£ 15.99
free delivery
To the offer
FireAngel FA3313 Portable Carbon Monoxide Detector, Carbon Monoxide Alarms for Home, 10-Year Sensor, Replaceable Batteries, Travel CO Monitor, 1-Pack
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light.
£ 17.99
free delivery
To the offer
X-Sense Carbon Monoxide Detector with SBS50 Base Station, XC0C-MR11 | Replaceable Battery Powered, Digital Display, Compatible with X-Sense Home Security App
Instant Alerts & Sharing: Get promptly informed of CO alarms, low-battery, or malfunction warnings; device sharing keeps family and friends informed of the real status of your house All-in-One App Control: Easily control the device in only one app, monitor real-time CO levels, test alarm status, silence alerts, and review historical data for added peace of mind Memory Retention Feature: Retains the memory after the alarm was triggered and when the CO concentration drops below the threshold; informs you of any CO leak threats even if the network is down or without phone One triggered, All Alert: This CO alarm can connect up to 50 devices through the base station; up to 24 devices via wireless connection; devices within the same network are triggered simultaneously Built to Last, Easy to Maintain: Featuring a 10-year electrochemical sensor for long-lasting, accurate monitoring; an additional 5-year battery life reduces maintenance, providing peace of mind
£ 39.99
free delivery
To the offer
5% discount
CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter
Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available) Stable NDIR Sensor for CO2 Detection.
£ 135.90
£ 142.31
To the offer
48% discount
FireAngel FA6620 Optical, Battery Powered Fire/Smoke Alarms for Home | 1-Pack, 10-Year Battery Smoke Alarm Detector, Replacing FireAngel ST-622/ST-620, Fire Alarms for Home
SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple.
£ 11.98
£ 22.99
To the offer
CO2 Monitor, CO2 Detector Alarm Carbon Dioxide Detector Temperature Humidity LCD Display Indoor Air Quality Monitor with Battery Operated for Home and Kitchen
Generic
£ 16.63
free delivery
To the offer
AEGISLINK Smoke and Carbon Monoxide Alarm, 10-Year Lifespan, SC200, 1-Pack | with Digital LCD Display, Replaceable Battery and Test/Silence Button
Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level; to save power, it will activate only when the device is tested or the ppm has reached the alarm level for a certain period This smoke and carbon monoxide alarm has long-lasting sensors and components that deliver a long life of up to 10 years; also includes a replaceable 3-year lithium battery Featuring a light and thin design, this combination smoke and carbon monoxide detector has a 20–40 m2 (215–430 sq. ft) detection range, fully protecting you and your family from dangerous smoke and carbon monoxide This smoke and carbon monoxide detector is built with both a cutting-edge photoelectric smoke sensor and electrochemical CO sensor to deliver high consistency and reliability for double detection and protection The loud alarm tone is over 85 dB at 10 ft (3 m) to alert anyone in a deep sleep; with included screws and anchor plugs, this battery-operated unit can be installed effortlessly without an electrician
£ 23.19
free delivery
To the offer
DS-100 Portable Carbon Monoxide Detector for Travel, 140H Standby, CO Detector with Magnetic Back, Rechargeable 3-in-1 CO Monitor with Audible & Visual Alarm for Camping, Hotel, Car & RV - Dark Forest
Carbon Monoxide Detector: The DS-100 is a 3-in-1 portable carbon monoxide detector that can detect carbon monoxide levels from 0 to 1000ppm, it will alert you when the concentration reaches 50 ppm.
£ 35.99
free delivery
To the offer
FireAngel SCB10-R Combined Smoke & Carbon Monoxide Alarm/Detector for Home | 1-Pack, Combination Carbon Monoxide Detector and Smoke Alarms for Home, Fire Detector
DUAL PROTECTION: This combination carbon monoxide (CO) and smoke detector offers vital protection against both CO and fire risks. The CO sensor alerts you to invisible gas dangers, and the optical smoke sensor quickly 'sees' slow, smouldering fires.
£ 29.99
free delivery
To the offer
Safeflame Carbon Monoxide Alarm – CO Detector, 10-Year Sensor, LCD PPM Display, 85dB+ Alert, AA Battery Included, Freestanding or Wall Mounted Home Use (1)
EN 50291 CERTIFIED, CE & UKCA APPROVED – Independently tested to UK and EU safety standards, so you can trust this carbon monoxide alarm protects your home, caravan, or motorhome
£ 16.99
free delivery
To the offer
WOLF SHIELD Carbon Monoxide Detector 10 Year Sealed Battery Carbon Monoxide Alarm Free Standing |Portable Alarm|EN50291:2018 |No Display (Black)
EN 50291-1:2018: when purchasing a CO alarm, ensure that it is compliant with the most recent update standard EN 50291-1:2018, WOLF SHIELD CO-Alarm is approved by according to EN 50291-1:2018, and British Standard has accepted this as well.
£ 16.99
free delivery
To the offer
6% discount
3 Pack Carbon Monoxide Alarm CO Detector，Carbon Monoxide Monitor with LED Display Test，CO Alarms Monitor for Home Safety,Disaster prevention supplies(AA Battery NOT Included)
Reliable Carbon Monoxide Detector: This CO alarm accurately monitors carbon monoxide levels in your home, displaying real-time readings on a clear digital LCD screen to keep you informed of potential hazards.
£ 14.99
£ 15.99
To the offer
STATUS Monoxide Alarm, Home Carbon Monoxide Detector including Batteries, SDCMA2XAA1PB4
CARBON MONOXIDE DETECTION: Effectively detects carbon monoxide (CO) gas, providing early warning and protection against this silent and deadly threat in the home.
£ 14.85
free delivery
To the offer
13% discount
starfa lab Carbon Monoxide Detector, Battery Operated Carbon Monoxide Alarm, CO Alarm with LCD Digital Display, CO Detector Monitor with Test Button for Home Safety, AA Battery Powered
starfa lab
£ 9.88
£ 11.36
To the offer
X-Sense Carbon Monoxide Alarm with LCD Display, 10-Year Product Life, CO03B | Replaceable Battery-Operated CO Alarm Detector with Digital Display
SUPERIOR ALARM PERFORMANCE: Proven performance for sensitive detection of dangerous carbon monoxide (CO) leaks; a powerful 85 dB alarm tone will sound throughout your home and instantly alert those in danger
£ 19.99
free delivery
To the offer
GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter
【HIGH ACCURACY】CO2 Accuracy: 0~2000ppm(±50ppm or ±5% of the reading); 2000~9999ppm(±10% of the reading)
£ 134.99
free delivery
To the offer
Kidde K5CO Carbon Monoxide Alarm, Ten Year Alarm Sensor Life, AA Battery Powered (Replaceable)
Continuously monitors for carbon monoxide and emits an 85db alarm from 50ppm of CO in the air Battery: 2 x AA batteries included Warranty: 7 Year Warranty Dimensions (HxWxD): 73 x 127 x 39mm UKCA & CE Marked - Kitemarked to BS EN 50291-1: 2018 (for domestic use)
£ 14.49
free delivery
To the offer
LSENLTY Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home Office
Portable Carbon Dioxide Detector: The product has a compact size (size: 7.6x7x3 cm) and is equipped with a strap design, suitable for hanging on the wall, car, or backpack. Suitable to use for camping, hanging on the wall in the living room or bedroom at home, or placed on the desktop in the office.
£ 45.99
free delivery
To the offer
DANOPLUS CO2 Meter Handheld CO2 Detector, 0-9999ppm Digital CO2 Monitor Temperature and Humidity Meter Carbon Dioxide Detector with NDIR Sensor Buzzer Alarm and Clibration Function for Home Grow Room
【Large LCD Display】CO2 detector is equipped with a large LCD display and backlight function.
£ 128.99
free delivery
To the offer
Honeywell Home Carbon Monoxide Detector alarm - R200C-1
10 year battery life Super Slim design End-of-life signal 48 hours alarm memory IP44 grade Device surface functions as TEST/SILENCE button Audible and visual red ‘ALARM’ text for the deaf and hearing-impaired Alarm hush for 10 minutes Fault hush for 9 hours Auto-dimming green power light
£ 30.49
free delivery
To the offer
Temtop Air Quality Monitor Detects PM2.5 PM10 Formaldehyde TVOC AQI Temperature Humidity Tester Particle Counter Indoor Outdoor Air Pollution Detector with Data Export, LKC1000S+ 2nd
ALL-IN-ONE RELIABLE AIR QUALITY MONITOR. The most advanced monitor measuring particulate matter (PM2.5 and PM10), formaldehyde (HCHO), VOC (airborne chemicals), humidity, temperature, and AQI.
£ 129.99
free delivery
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Air Quality Monitor Indoor, Detector Portable CO2 Battery Operated Carbon Dioxide 5 in 1 HCHO TVOC Temp Humi Meter for Home, Grow Tent, Wine Cellar, Car
[ 5 in 1 Multifunctional Monitor ] 5 in 1 meter can detect carbon dioxide concentration in air, and HCHO, TVOC, Temp, Humidity [ LCD Color Screen ] Displays CO2, CO2 index, HCHO (formaldehyde), TVOC, temperature, humidity and battery level.
£ 12.48
free delivery
To the offer
GasDoc DS-399 Carbon Monoxide Detector, 168HR Standby, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue
carbon monoxide detectors portable carbon monoxide detector for travel carbon monoxide detector camping battery powered meter alarm low level home rv smart tester co air quality Carbon Monoxide Detector: The DS-399 Portable Carbon Monoxide Detector can detect CO levels ranging from 0 to 1000 PPM.
£ 36.99
free delivery
To the offer
2 in 1 Carbon Monoxide Detector and Natural Gas Detector | 10 Years Sensor Life Wall-mounted CO Alarm Gas Leak Detector with 2 Real Sensors for Home Kitchen
【24/7 Dual Security Monitoring】This carbon monoxide detector can simultaneously detect carbon monoxide and combustible gases.
£ 17.99
free delivery
To the offer
Firechief Carbon Monoxide Detector, 5 Year Battery Included - Visual & Audio Carbon Monoxide Alarm with LCD Display - Gas Detector - FBCA05 Model
ELECTROCHEMICAL CARBON MONOXIDE SENSING TECHNOLOGY: CO is an invisible, odourless, tasteless and non-irritating gas so is completely undetectable.
£ 20.99
free delivery
To the offer
YOJOCK Portable 3-in-1 Carbon Monoxide Detector, Rechargeable CO Detector with Temperature & Humidity, 168+ Hours Standby, Loud Audible & Visual Alarm for Home, Travel, RV & Camping (black)
YOJOCK
£ 26.99
free delivery
To the offer
Ruan 10 year life carbon monoxide detector,LCD display and silent test key compliant Passed the EN50291 standard 10 year battery carbon monoxide alarm
【10 year battery】: The carbon monoxide alarm has a 10 year service life.
£ 18.99
free delivery
To the offer
INKBIRD INK-CO2W WIFI CO2 Monitor, 3 in 1 Indoor Air Quality Detector, Carbon Dioxide Meter Temperature Humidity Monitor, CO2 Alarm Meter, App Control, Backlit Screen
【3 in 1 WIFI CO2 Monitor】INKBIRD Carbon Dioxide Detector is equipped with a premium sensor, which can quickly and sensitively detect CO2 concentration, temperature, and humidity in daily life. Carbon Dioxide Range: 400 ~ 5000 ppm; Temperature Measurement Range: -10°C ~ 40°C; Humidity Range: 20 ~ 80 % RH
£ 79.99
free delivery
To the offer
Kidde Carbon Monoxide Alarm - 2 Pack
Compact and lightweight battery-powered CO alarm provides essential protection against the dangers of deadly carbon monoxide and provides continuous monitoring of CO levels.
£ 31.86
free delivery
To the offer
LSENLTY Portable Carbon Monoxide Detector for Travel, 500H Standby CO Alarm | 10 Year CO Sensor with 2s Refresh Rate, Audible & Visual Alarm, Lanyard Design 3 in 1 CO Detector for Car Camping Car RV
【Audio-Visual Alarm】When CO levels exceed 50 PPM, the screen icon, an 85-decibel alarm, and an LED indicator activate simultaneously, making the danger instantly visible and audible.
£ 35.99
free delivery
To the offer
Aico Detector, White, EI3018
white
£ 51.50
free delivery
To the offer
15% discount
Portable CO2 Detector Temperature Humidity Meter Indoor CO2 Monitor Carbon Dioxide Detector Air Quality Monitor with LCD Display, Ideal for Home, Greenhouse, Laboratory and More
No Calibration Needed: Start testing immediately with accurate carbon dioxide detection, making it ideal for greenhouse farming, production facilities, laboratories, and homes.
£ 21.13
£ 24.84
To the offer
17% discount
Hapippofa Carbon Monoxide Detector with Digital Display, Battery Powered CO Detector with Replaceable AA Batteries, 10-Year Sensor Life, 85 dB Alert, EN 50291, for Home & Travel, 1 Pack
24/7 PROTECTION YOU CAN TRUST: A high-sensitivity electrochemical sensor continuously monitors for colourless, odourless carbon monoxide, giving your family early warning of a hidden danger.
£ 13.28
£ 15.99
Only:
34hrs
14min
05sec
To the offer
15% discount
Carbon Monoxide Detector – 10-Year Sealed Battery CO Alarm with LCD Display, Carbon Monoxide Alarms for Home, EN 50291 Certified – Alertlink VC22R
Certified Accuracy & Loud Alert – Complies with EN 50291 and UKCA standards, this reliable carbon monoxide alarm accurately monitors CO levels in ambient air.
£ 16.47
£ 19.38
To the offer
LifeBasis Air Quality Monitor 10-in-1 CO2 Monitor Rechargeable with Stand Real-Time AQI,PM1.0,PM2.5,PM10,TVOC,HCHO,Particles,Temp and Humidity Air Quality Detector Indoor for Home Office School
【MULTI-FUNCTION MONITORING】LifeBasis air quality monitor provides real-time monitoring of 10 key indicators including AQI, CO2, Formaldehyde (HCHO), volatile organic compounds (TVOC), PM1.0, PM2.5, PM10, Particles, temperature and humidity.
£ 89.99
free delivery
To the offer
9% discount
Kidde 10LLCO Ten Year Life Carbon Monoxide Alarm with Sealed Longlife Battery
Non-replaceable, sealed-in Lithium battery Co Quick-Test feature Interrogation feature Alarm memory Unique water-based CO electrochemical sensor Warning!
£ 19.99
£ 21.95
To the offer
X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm, Voice Alerts, XP0A-iR,1-Pack | with Replaceable Battery, Compatible with X-Sense Home Security App
Attention: The Smart Combination Smoke and Carbon Monoxide Alarm XP0A-iR connects to the app over Wi-Fi without a base station; XP0A-iR devices are not interlinked and operate independently Talking Alarm Says the Location: Quickly and accurately react to the danger thanks to this smoke and carbon monoxide alarm which announces the location of the emergency: ‘Warning!
£ 35.69
free delivery
To the offer
5 in 1 Air Quality Monitor CO2 Detector, Air Quality Meter Portable Battery Carbon Dioxide Detector Detects CO2 HCHO TVOC Temp Humi
1 SECOND UPDATE: The air quality monitor can update the system 1 second in real time, and can directly detect air quality without calibration
£ 12.59
free delivery
To the offer
5 in 1 CO2 Monitor Detector, Sicomne CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity SensMonitor LCD Display Home Office Gym Car Black
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
£ 15.28
£ 15.68
To the offer
XINDUM Interlinked Smoke Alarms, Heat &CO Detector Bundle, 10 Years Battery | Wireless interlinked system,Scotland and England Law Compliant,Pre-Linked Fire Detectors for Home,4 Pack+1 Remote control
Interlinked Fire Alarms Bundle: 2×Smoke Alarm, 1×Heat Alarm, 1×Carbon Monoxide Detector, 1×Remote Controller. No matter which somke detector trigger a alarm, the other linked alarms will sound after receiving the signal.
£ 69.48
free delivery
To the offer
TOPTES CT-580 Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, Portable CO Alarm, 0-1000PPM, TFT Color Display for Home, Car, Camping& Travel
Fast and Accurate: TOPTES CT-580 Carbon Monoxide Detector is a CO detector equipped with high-sensitivity and high-accuracy sensor, capable of detecting CO gas concentrations from 0 to 1000 PPM.
£ 56.99
free delivery
To the offer
Aico Ei208 Carbon Monoxide Alarm Lithium Battery
Aico Ei208 Carbon Monoxide Alarm Lithium Battery Brand : Aico Product Type : Gas Smoke Fire Alarm
£ 22.49
free delivery
To the offer
9% discount
Jadeshay CO Gas Tester,Carbon Monoxide Detector Handheld 1000PPM Carbon Monoxide Meter High Precision CO Gas Monitor Detector Gauge Digital Display CO Leak Detector Analyzer
【PROFESSIONAL FUNCTION】A portable professional instrument for detecting carbon monoxide (CO) gas.
£ 31.59
£ 34.70
To the offer
CO2 Monitor, CURCONSA CO2 Detector with Ambient Temperature, Humidity and Clock, Rechargeable Lithium Battery with 1800 mAh, 3.5 Inch TFT Colour Screen with Capacitive Touch
【Necessary for home】If the room is not often ventilated, you can use CO2 monitor to test the CO2 concentration indoors accurately and quickly to protect your health. The high-precision thermometer and hygrometer function can monitor the indoor temperature and humidity in real time, and the clock function can display the exact time. It is an essential device to create a good environment in your bedroom or office.
£ 59.99
free delivery
To the offer
9% discount
Kidde 7COC Carbon Monoxide Alarm 10 Year Sensor & Warranty (1)
Sleek, lightweight battery-powered CO alarm provides long-term protection against the dangers of deadly carbon monoxide and provides continuous monitoring of CO levels, the 10-year sensor lasts longer than most other CO alarms.
£ 20.27
£ 22.25
To the offer
TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange
Carbon Monoxide Detector: TopTes CT-300 is an ideal portable CO tester to help you detect CO gas concentrations timely and accurately, reducing the risk of CO poisoning and protecting your life.
£ 42.99
free delivery
To the offer
Spacnana Carbon Dioxide Detector, Handheld CO2 Monitor 3 in 1 Carbon Dioxide Detector Temperature Humidity Monitor for Indoor, Indoor Air Quality Meters, SPACNANA8DSGK6UN40
Rechargeable Battery: With a micro usb interface charging port and a high capacity 2000mAh battery, you can use our CO2 monitor for a long time without having to change the battery often.
£ 49.40
free delivery
To the offer
3 In1 Carbon Dioxide Detector, Air Quality Detector Indoor, Temp & Humidity CO2-Meter Quality Monitor For Kitchen, Living Room, Bedroom, Office(White)
【Three-in-one Detection】 This carbon dioxide detector serves as a carbon dioxide concentration detector, thermometer, and hygrometer simultaneously. It provides comprehensive monitoring of -levels, temperature, and humidity.
£ 14.79
free delivery
To the offer
CO2 Monitor Detector, focombance 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity Monitor LCD Display Home Office Gym Car Black
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
£ 15.68
To the offer
AirSense Pro CO2 Carbon Dioxide Monitor Air Quality Detector | Real-Time Alerts for Home, Grow Tent, Wine Cellar, Car (Black)
ILESTDG
£ 34.90
free delivery
To the offer
8% discount
Carbon Monoxide Detector,Carbon Monoxide Alarm With LED display, CO Alarms Monitor for Home Safety,Comply with EN50291 Standard (AA Battery NOT Included)
[Carbon Monoxide Alarm] This advanced carbon monoxide detector is equipped with a sensitivity electrochemical sensor to accurately and continuously monitor carbon monoxide levels.
£ 11.99
£ 12.99
To the offer
X-Sense Carbon Monoxide Detector with Voice Alerts, XC0M-SR, 1 Pack | with Temperature & Humidity Monitoring, Replaceable Battery Powered, Digital Display and Alarm Memory and Peak Level Record
NOTE: XC0M-SR is a basic standalone device; does not support wireless interconnection, has no Wi-Fi, and cannot be used with a base station; if you need Wi-Fi functionality, you may consider the XC0M-iR 3-in-1 Precision Monitoring: Tracks CO, temperature, and humidity in real time; displays only the CO readings when levels reach 30 PPM or higher; ± 0.5°C(0.9°F) temperature accuracy and ±5% humidity accuracy; refreshes rolling data every 10 seconds Child-Friendly Voice Alerts: Multi-language voice pack includes English (default), German, and French; says the emergency type and its specific location in a clear, easy-to-understand voice—so everyone can understand, allowing even children to act quickly and help keep the whole family safe Flexible Installation: Set it up on a table or mount on the wall with included accessories; this carbon monoxide detector easily fits in bedrooms, kitchens, living rooms, or any space you choose Informative LCD & 3-Color
£ 23.99
free delivery
To the offer
17% discount
SA1300P 3-in-1 NDIR CO2 Monitor Data Logger - Indoor CO2/Temp/Humidity Detector with LCD Display, Audible Visual Alarm, 10+Hr Battery & Data Recording - Accurate CO2 Meter - Measure Indoor Air Quality
【 3-IN-1 REAL-TIME MONITORING】Large backlit LCD display shows CO2, temperature, humidity, time/date simultaneously; quality touch buttons for effortless operation. Three level indoor air quality system built-in. 【
£ 72.08
£ 86.77
To the offer
6% discount
HOMELYLIFE Carbon Monoxide Detector 2 Pack, Battery Carbon Monoxide Alarm | LCD Digital Display, EN50291 Standard, Light and 85dB Sound Alarm, CO Alarms Monitor for Home Safety, AA Battery NOT Included
[Safe & Reliable] HOMELYLIFE carbon monoxide alarm conforms to the latest EN 50291:2018 standard, uses an electrochemical high sensitivity sensor with a lifetime of up to 5 years, can detect carbon monoxide gas leaks accurately and quickly, protecting you from hazards while minimising false alarms [Light and Sound Alarm] Our CO alarm will monitor the level of carbon monoxide in the air in real time.
£ 16.99
£ 18.14
To the offer
Andyssey ZA326 H01 Carbon Monoxide Detector 10 Year Life Sensor and Battery, CO Alarm with Display, Test Button, EN 50291 Standards, 2 Piece
Effective Protection Against Carbon Monoxide (CO): The advanced electrochemical CO sensor detects dangerous carbon monoxide concentrations from 23 ppm to 999 ppm in real time, alerting you with a loud 85 dB alarm.
£ 29.03
free delivery
To the offer
X-Sense Wi-Fi Carbon Monoxide Detector with APP Functions, XC04-WX, 1-Pack | Real-Time Push Notifications via X-Sense Home Security App, Replaceable Battery, Free-Standing Design
Attention: XC04-WX Wi-Fi Carbon Monoxide Detector is not compatible with SBS50 base station and does not support interconnect function 2.4 GHz Wi-Fi Connection: Easily connect this alarm to the X-Sense Home Security app on your smartphone via a 2.4 GHz Wi-Fi network, without the need for a hub; download the app, sign up, and connect the device 10-Year Sensor Life: This battery-operated smart carbon monoxide detector has a stable and high-performance electrochemical Figaro CO sensor that accurately monitors CO levels in the house, ensuring that your family stays protected for 10 years Instant Notifications: Stay connected to your alarm and view all its notifications, including its CO alarm, low battery, malfunction, CO alarm precaution, and more; the Device Sharing function lets you add your family members so you can all keep an eye on your home's safety Real-Time CO Levels & One Button to Silence: When a CO alarm is triggered, the app will show real-time CO level changes; after making sure your surroundings are safe, you can simply silence the alarm via the app CO Alarm Precaution: Using the app, you will quickly receive a warning that alerts you to any possible risk once the CO level reaches above 100 ppm without waiting for the response time, allowing you to act immediately
£ 35.99
free delivery
To the offer
snowchecking Indoor Air Quality Monitor with LCD Display, NDIR Carbon Dioxide Meter and Temperature Humidity Detector, Adjustable Alarm, USB Rechargeable Lithium
Accurate Carbon Dioxide Meter: Utilizes advanced NDIR infrared technology for 1.5‐second sampling, delivering precise CO2 readings between 400–5000 PPM to help you manage indoor air quality effectively in offices, classrooms, or home environments.
£ 33.29
free delivery
To the offer
Chavisenty Mobile CO2 Monitor NDIR Sensor Carbon Dioxide Detector Indoor CO2 Testing Manager NDIR Sensor with Hook
Necessity of CO2 Monitor: Carbon dioxide (CO2) is not harmful to human body when it is low, but when it overs a certain amount, it will affect the breathing of humans (and other organisms). If serious, life is threatening. Thus, we have to monitor the CO2 content of air for keeping health.
£ 34.72
free delivery
To the offer
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification, white
Voice alarm feature Hush button Test/reset button Peak level memory Front loading battery compartment
£ 24.90
free delivery
To the offer
LSENLTY Combination Natural Gas Leak Detector and CO Detectors, 4-in-1 Plug-in Wall Design Carbon Monoxide & Gas Detector with HD Screen&Indicator Visual&Audible Alarm for Home, Kitchen
LSENLTY
£ 35.99
£ 36.99
To the offer
LavaTap - Honeywell R200C-1 CO Carbon Monoxide Detector 10 Year Battery CO2 Alarm R200 for Home Caravan Mobile Homes Boats
Advanced Detection Technology: The Honeywell R200C-1 CO alarm utilizes state-of-the-art electrochemical sensors to accurately detect and alert you to the presence of carbon monoxide, ensuring your home remains safe from this silent threat Loud 85dB Alarm: When carbon monoxide levels reach dangerous levels, this CO detector emits a powerful 85-decibel alarm and a visual 'ALARM' logo, ensuring that everyone in your household is quickly alerted to the potential danger.
£ 32.50
free delivery
To the offer
UltraFire UBCO1D – 10 Year Life Battery Powered Carbon Monoxide Alarm with Digital Display - 10 Year Warranty
Ultrafire Fire Safety
£ 17.95
free delivery
To the offer
DHYAWUER CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide ℃/℉ Detector S8601A Easy Install
In our daily living environment such as: temperature and humidity in the environment, and is widely used in agriculture, aquaculture and industrial fields.
£ 25.99
free delivery
To the offer
Lubrol Air Monitor CO2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Meter for CO2, Black
HDE
£ 17.00
free delivery
To the offer
2 Pack Carbon Monoxide Detectors,Carbon Monoxide alarm,CO Alarm Detector with Digital Display,Carbon Monoxide Alarms for Home Safety(Batteries Not Included)
Carbon Monoxide Alarm Widely Used: Adopting high-precision electrochemical sensor, it can quickly detect carbon monoxide gas. Can be used in kitchen, bedroom, bathroom, garage, RV, camping and other places.
£ 18.99
free delivery
To the offer
Smartwares CO Alarm, 10-Year Sensor, Replaceable Batteries, Display | Electrochemical detection, Rooms from 20 to 40 m², Test button, Mounting material, FGA-13041
Electrochemical sensor: Measures carbon monoxide concentrations in the air from approximately 27 ppm with an operating lifespan of 10 years Digital display: Indicates carbon monoxide levels in PPM and shows warnings for system faults, depleted batteries or unit replacement Acoustic signal: Emits an 85 dB alarm suitable for rooms between 20 and 40 m2 when combustion gases exceed threshold levels Power supply: Operates using 3 included AA batteries, giving LED notifications and audible beeps when battery replacement is needed Operational check: Features an integrated test button to inspect functioning on a recommended monthly schedule
£ 17.99
free delivery
To the offer
babominimer Carbon Dioxide Detector,Multiple Air Monitor Detector,Indoor Carbon Dioxide Sensor Digital TVOC HCHO Monitor Temperature Humidity Tester For Home Office Gym
[MULTIPLE FUNCTIONS] This air quality meter detects a wide range of pollutants including , HCHO, TVOC, PM0, PM2.5, and PM10, while also measuring temperature and humidity for comprehensive environmental monitoring.
£ 27.19
free delivery
To the offer
Meross CS11 Dual Sensor Smoke and Carbon Monoxide Alarm/Detector for Home | 10-Year Battery Carbon Monoxide Detector, Smoke Alarm for Home with Test/Silence Button, 85dB Fire Alarm, EN 14604 & 50291
2-in-1 Function: The photoelectric smoke detector and electrochemical CO sensor work independently of each other. If the carbon-monoxide-detector detects both smoke and carbon monoxide, it sounds first for smoke and then for CO. The CO detector detects both fast and slow-burning fires, minimising false alarms.
£ 29.99
free delivery
To the offer
Carbon Dioxide Detector | Desktop Indoor Air Quality Monitor for CO2, Temperaturea Nd Humidity, Air Quality Meter for Car Gym Classrooms
▷ 【REAL-TIME MONITORING AND DISPLAY】-The desktop CO2 monitor has real-time monitoring and real-time display of carbon dioxide concentration per cubic meter.
£ 14.80
free delivery
To the offer
X-Sense Smoke and Carbon Monoxide Alarm with Voice Alerts, XP0A-SR, 1-Pack | with Replaceable Battery
Important Note: The XP0A-SR Combination Smoke and Carbon Monoxide Alarm does not support interconnectivity or app functionality.
£ 25.49
free delivery
To the offer
WOLF SHIELD Carbon Monoxide Detector, 10-Year Sealed Battery, EN 50291-1:2018 Certified, 85dB Siren, Portable CO Alarm for Home, Caravan, Camping & Travel, Black
10-YEAR SEALED BATTERY: This carbon monoxide alarm has a lithium battery sealed for life — no battery swaps, no wiring for a whole decade. Near the end of its life, the alarm sounds a clear end-of-life warning so you know it's time to replace it.
£ 15.99
free delivery
To the offer
Air Quality Monitor Indoor, 5 in 1 CO2 Monitor CO2 Detector Portable Air Quality Meter Carbon Dioxide Monitor with LCD Display, for Home Kitchen Office Car
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity.
£ 19.99
free delivery
To the offer
PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home (Includes Battery x2)-Orange
Combustible Gas Leak Detector: The TopTes PT199 is suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe Visual and Audio Gas Alarm: The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection.
£ 22.99
free delivery
To the offer
Sunydog BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Office
Sunydog
£ 28.09
free delivery
To the offer
2Pack Carbon Monoxide Detector, Carbon Monoxide Alarm Battery Powered With Led Display Screen, And 85 Decibel Sound And Light Alarm(Not included AAA Batteries)
SAFETY FIRST: This carbon monoxide detector provides an audible and visual warning when dangerous levels of the odourless, colourless gas are detected.
£ 13.49
free delivery
To the offer
Carbon Monoxide Detector 2Pack,CO Detector,CO Alarms Monitor with LED Indicator & Silence Button for Home Safety (AA Battery NOT Included)
This Carbon Monoxide Detector is built with both a electrochemical CO sensor to deliver high consistency and reliability for double detection and protection, It is not recommended to install it in corners, cabinets and other places where there is no air circulation, and it is prohibited to place it in places with oily smoke Ultra high buzzer alarm sound - When the device is triggered, its siren exceeds 85 dB at 10 ft (3 m) to ensure that it wakes up even the deepest sleepers Superior Alarm Performance - High accuracy and reliable long-life Electrochemical CO alarm detector comply with EN 50291.
£ 9.99
free delivery
To the offer
DystopiaWorld Portable Carbon Dioxide Detector, As Carbon Dioxide Concentration Detector, Thermometer And Hygrometer, For Kitchen, Living Room, Bedroom(White)
DystopiaWorld
£ 12.69
free delivery
To the offer
X-Sense Carbon Monoxide Detector with LCD Display and Peak Memory, XC01-R | with 5-Year Replaceable Battery
Flexible Installation: Install this wall-mounted or free-standing alarm easily, and even use it while traveling Accurate and Reliable: Features an advanced Figaro electrochemical CO sensor and a 5-year replaceable battery Instant Warnings: Get an early warning of harmful CO levels via a loud 85-decibel alarm Informative Display: An easy-to-read LCD screen displays real-time CO levels and remembers peak CO levels since the last reset Intuitive Light: A 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault
£ 28.99
free delivery
To the offer
KETOTEK CO2 Detector, Carbon Dioxide Monitor, Indoor Air Quality Monitor | CO2 Monitor Portable, Temperature Humidity Meter for Home, Office
3-in-1 air quality monitor: CO2 measurement range: 400-2000 ppm. Temperature measurement range: -9.9°C to 60°C. Humidity measurement: 20% to 95%. This carbon dioxide detector supports desktop or wall mounting.
£ 52.99
To the offer
Smoke Alarm and Carbon Monoxide Detector, Smoke Alarm and CO Alarms Battery Powered with LCD Digital Display and Sound Alarm, EN 50291 CO Monitor for Home Safety
Reliable Detection: This carbon monoxide detector conforms to the EN 50291 standard, ensuring accurate and reliable detection of dangerous CO levels.
£ 17.99
free delivery
To the offer
Xiuganpo Carbon Dioxide Detector, CO2 Detector 5 in 1 High Performance Analysis Chip Without Calibration 1 Second Upgrade for Indoor
SCRATCH RESISTANT ABS: Air quality meter adopt excellent ABS material, possess impact , scratch ,
£ 13.14
free delivery
To the offer
Carbon Monoxide Detectors AA Battery Powerd, AGSMXSYG Carbon Monoxide Alarm with Digital Display, CO Detector Alarms Monitor Battery Operated for Home,RV & Kitchen
Upgraded high-reliability sensor Energy-saving design: A green light flashes once every 30 seconds to indicate normal operation High sensitivity: When the PPM reaches the default value, an alarm sounds and the concentration value is displayed Alarm concentration levels: 30 PPM to 50 PPM – alarm triggered within 60 to 90 minutes; 100 PPM – alarm triggered within 10 to 40 minutes; >200 PPM – alarm triggered within 1 minute.
£ 10.97
free delivery
To the offer
WOLF SHIELD Carbon Monoxide Detector 10 Year Sealed Battery Life Mini Carbon Monoxide Alarm CO Monitor Sensor with Free Standing LCD Display Test Silence Function for Home Caravan, Campervan,Car,Etc
TUV test and EN 50291-1: 2018 standard,CE marking: WOLF SHIELD detectors are rigorously tested and are fully compliant with European and UK market guidelines, quality is 100% guaranteed,it is tested by the TUV testing organisation,conforming to the EN 50291-1: 2018 standard and it also has CE certified.
£ 20.99
free delivery
To the offer
Hispec HSA/BC/10 Lihtium Battery Powered Carbon Monoxide Detector, Electrochemical Sensor, 50ppm Warning, 10 Year Life, UKCA & CE Compliant
Peace of mind fire safety for your family and pets with this fast fix carbon monoxide detector Advanced technology for long life with self test on sensor and self diagnostic Low battery warning and power/alarm indicator 10 year sealed lithium battery powered 5 Year product guarantee from industry leaders HiSPEC
£ 19.99
free delivery
To the offer
XINDUM Carbon Monoxide Detector 10-Year Battery LCD Display CE White 1Pack | EN50291 certified, Electrochemical sensor, 85dB alarm, mount wall/Stand, Portable Carbon Monoxide Alarm for home , Standalone
Accurate Relialbel CO Detector: Comply with EN 50291 standard, CE Certified Carbon Monoxide alarm, equipped with high accuracy and reliable electrochemical sensor, continuously measure CO concentration in ambient air.
£ 18.99
free delivery
To the offer
Carbon Monoxide Detector,Carbon Monoxide Alarm With LED display, CO Alarms Monitor for Home Safety,Comply with EN50291 Standard (AA Battery NOT Included) (white)
[Carbon Monoxide Alarm] This advanced carbon monoxide detector is equipped with a sensitivity electrochemical sensor to accurately and continuously monitor carbon monoxide levels.
£ 9.99
free delivery
To the offer
Hailege SGP30 eCO2 TVOC Carbon Dioxide Gas Sensor Air Quality Monitoring Detect Sensor Formaldehyde Carbon Dioxide Sensor Indoor Air Monitor GY-SGP30
Indoor Air Quality Monitoring Sensor Formaldehyde Carbon Dioxide Detector SGP30 Gas Detector Sensor Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Detector Working voltage: 2V-5V; Interface: I2C/IIC
£ 10.99
free delivery
To the offer
Indoor Air Quality Monitor, Portable 5 in 1 CO2 HCHO TVOC Temperature Humidity Detector with Real Time Display Battery Operated ABS Meter for Home Office Black 1 Pack
[5 IN 1 DETECTION] Track CO2 HCHO TVOC temperature and humidity in one compact monitor.
£ 13.79
free delivery
To the offer
6-In-1 Air Quality Monitor, CO2 Monitor Detector, Air Pollution Monitors, Portable CO2 Detector Sensor, With LED Display, Carbon Dioxide Detector with HCHO, TVOC, PM2.5, Temperature, Humidity
6-In-1 Multi-Function Monitor: This air quality monitor monitors carbon dioxide, carbon monoxide, respirable particulate matter (PM10), respirable particulate matter (PM5), hexachlorocyclohexane (HCHO), volatile organic compounds (TVOCs), temperature, and air quality, providing a comprehensive assessment of the air quality and creating a healthier environment for you.
£ 29.99
free delivery
To the offer
CO2 Monitor Detector, 6 in 1 Indoor Air Quality Meter with LCD Display | CO2 Detector Sensor Monitor,Carbon Dioxide Detector with HCHO, TVOC, PM2.5,Temperature, Humidity for Home, Office, Car(White)
[6 in 1] This indoor air quality monitor not only detects carbon dioxide but also tracks formaldehyde, TVOC, PM2.5, temperature, and humidity.
£ 19.99
free delivery
To the offer
WOLF SHIELD Carbon Monoxide Alarm CO Detector Battery Sealed 10 Year life Portable Mini Carbon Monoxide Monitor with Display Test Silence Button for Home,Campervan and More
Absolute quality and safety: WOLF SHIELD carbon monoxide monitor has EN 50291-1:2018 certificate,British Standard has accepted this as well, and CE certification.
£ 20.49
free delivery
To the offer
UltraFire ULLCO10 10 Year Travel Carbon Monoxide Alarm and Detector | For Homes, Caravans, Boats, Camping, and Holidays | 10 Year Sealed Lithium Battery and Ten Year Warranty (With Strap)
PERFECT FOR TRAVEL: Designed to keep you safe both at home and on the go, the ULLCO10 is Kitemarked to BS EN 50291-1 and 50291-2 making it suitable for use in the home, caravans and boats, and when camping or travelling
£ 22.29
free delivery
To the offer
Advokingtap 3-in-1 Handheld Carbon Dioxide Detector, Temperature Humidity Tester Air Quality Monitor With LCD Display Color-Coded Alerts For Home School(S8601)
Advokingtap
£ 15.79
free delivery
To the offer
Air Quality Detector | Carbon Dioxide Detector | Portable Clear Display Accurate Monitor for Carbon Dioxide Grow Tents Bedroom Home Monitoring Detection Safety Testing
Detailed Air Quality Reports: Featuring multifunctional indoor air testing capabilities, this device tracks CO2, VOCs, and additional factors in real time, providing consistent updates on air quality conditions
£ 13.19
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Mercury Battery-Powered Carbon Monoxide Detector | Clear Visual Display Portable CO2 Alarm & CO Monitor for Home and Caravan Safety Batteries Supplied, 10 Year Working Lifespan
Reliable Carbon Monoxide Detection | Equipped with an advanced electromechanical sensor, this device provides accurate, real-time monitoring of CO levels, alerting you to potential dangers quickly and efficiently Battery-Powered for Versatile Use | This portable, battery-operated design ensures continuous protection even during power outages, making it ideal for homes, motorhomes, and caravans Loud 85dB Alarm for Immediate Alerts | With a powerful 85dB alarm, this detector provides an unmistakable warning sound that’s easily heard, ensuring prompt awareness and swift action User-Friendly LCD Display | The clear LCD screen displays current CO levels, offering reassurance and convenient monitoring of CO levels at a glance Compact and Long-Lasting Design | Lightweight and easy to install, this CO detector lasts up to 10 years, ensuring dependable protection without frequent replacements
£ 21.50
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CO2 Monitor Detector, 6 in 1 Indoor Air Quality Monitor with LCD Display | CO2 Detector Sensor Meter, Carbon Dioxide Detector with HCHO, TVOC, PM2.5,Temperature, Humidity for Home, Office, Car(Black)
[6 in 1] This indoor air quality monitor not only detects carbon dioxide but also tracks formaldehyde, TVOC, PM2.5, temperature, and humidity.
£ 17.99
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FireAngel FA3820 Portable Carbon Monoxide Detector/Alarm, 10 Year Battery
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light.
£ 45.00
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Carbon Dioxide Detector, Bekasa 5-in-1 Air Quality Detector Indoor CO2 Meter Digital TVOC HCHO Monitor Temperature Humidity Sensor Tester Colourful Backlight Display for Home Office Gym (White)
【Easy to use】CO2 measurement The sensor module is high-precision, stable and resistant to interference. The carbon dioxide concentration can be displayed accurately. Humidity display and three measurement modes.
£ 15.99
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Carbon-Monoxide-Alarm AA Battery Powered for Home,RV,Kitchen,Apartment | co detector battery operated (AA not included), real-time monitoring of carbon monoxide concentrations display & 85DB alarm
Upgrading high-reliability sensors Energy-saving design: A green light flashes once every 30 seconds to indicate normal operation High sensitivity: When the PPM reaches the default value, an alarm sounds and the concentration value is displayed Alarm concentration levels: 30 PPM to 50 PPM – alarm triggered within 60 to 90 minutes; 100 PPM – alarm triggered within 10 to 40 minutes; >200 PPM – alarm triggered within 1 minute Versatile use: Suitable for homes, caravans, kitchens, bathrooms, flats and other locations
£ 11.06
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Smoke Alarm, 10 Years Battery, Smoke Alarms for Home, Fire Alarm with Mute Remotely Function,Big Test/Silence Button Smoke Alarms, Conforms EN14604, UKCA (1 Smoke)
Few False Alarms - This smoke alarm adopts split spectrum technology to rapidly detect smoke with greater precision, recognize vapor and dust to reducing false alarms.
£ 11.99
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Portable CO2 Detector, Air Quality Monitor | Indoor Carbon Dioxide Air Quality Alarm,LCD Screen Backlight Smart Monitoring Tool for B
Genérico
£ 32.00
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FireAngel Carbon Monoxide Alarm and Detector - FA3313 10-Year Sensor Life CO Alarm for Home with 1-Year Replaceable Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector - 2-Pack - White
CARBON MONOXIDE ALARMS FOR HOME USE: The advanced electrochemical sensor detects dangerous levels of carbon monoxide (CO) in your home, alerting you with 4 loud chirps (85 dB(A) at 3 metres) and a flashing red ‘CO’ LED light.
£ 35.99
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Cloudpower Air Quality Monitor, Indoor Air Detector 5 In 1 Monitor Carbon Dioxide Detector Monitor Air Quality Sensor With Battery Operated for HCHO TVOC Homes and Kitchen
【Accurate 5-in-1 Air Monitoring】This air quality monitor is equipped with advanced sensors that accurately detect carbon dioxide, HCHO, TVOC, temperature, and humidity in real time, providing comprehensive air monitoring.
£ 12.99
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Feegow Air Quality Monitor Indoor, 18 In 1 Carbon Dioxide Monitor TVOC PM2.5 PM10 Detector With 2.8" TFT Display, For Home Kitchen Office Car(Black)
Feegow
£ 24.69
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5-in-1 Air Quality Monitor, Carbon Dioxide Air Quality Detector, Air Quality Detector Portable With 1200 MAh Rechargeable
Manillefu
£ 13.83
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3-in-1 Carbon Monoxide Detectors,Portable Carbon Monoxide Detector for Travel with Temperature & Humidity Display,Carbon Monoxide Detector Battery powered for Home/RV, Accurate & Easy to Install
Fenary
£ 16.99
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X-Sense Carbon Monoxide Detector, 5-Year Replaceable Battery Carbon Monoxide Alarms for Home, Digital LCD Display CO Alarm Detector, Peak Value Memory, XC04-R
10-Year Figaro CO Sensor: This carbon monoxide detector has a built-in advanced Figaro sensor that detects dangerous CO levels more accurately and responds more quickly, with a lifespan of up to 10 years 5-Year Replaceable Battery: The carbon monoxide alarm is built with a replaceable lithium battery to provide 5 years of continuous protection; a low-battery warning tells you when to replace the battery for continued safety Peak CO Concentration Memory: The visual LCD automatically records and saves the peak CO levels, so an co alarm triggered when you are away from home can be confirmed using the recorded peak value Unique Freestanding Design: This carbon monoxide alarm for home stands freely on any smooth desktop, so you do not have to drill holes in the wall; compact size of 5.3 × 2.5 in (135 × 63 mm) does not take up too much space Tri-Color LED Indicator: This X-sense carbon monoxide monitor detector features a 3-colored LED indicator that flashes green, red, or yellow, paired with audible beeps, to indicate power, an co alarm, or a fault
£ 27.35
£ 28.25
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15% discount
CO2 Monitor Detector, focombance 5 in 1 CO2 Detector Alarm Carbon Dioxide Detector Indoor Air Quality Monitor Temperature Humidity Monitor LCD Display Home Office Gym Car Multicolor
【Multi-Functional 5-in-1 Design】 This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
£ 16.08
£ 18.88
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Carbon Dioxide Detector with and Humidity for Indoor Air Quality, 400-5000ppm Range, USB/Battery Powered, 4-Color LED Display, Auto
Carbon Dioxide Tester: Dual power modes with USB DC5V and battery operation offer flexible deployment for continuous or portable indoor air quality in homes offices and grow tents
£ 9.67
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We have found a total of 151 carbon dioxide detectors deals for you at amazon, ONBuy UK, B & Q, and other shops. The most popular brands are: X-Sense, Kidde, and FireAngel. Today's offer is Kidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home with 27% discount. The lowest price we found in our deals is £ 9.67 . The highest price in our price comparison is £ 144.49 . Currently, we have selected 29 reliable shops for you to buy carbon dioxide detectors affordably.