Carbon Monoxide Level: 0ppm (60-90 mins) / 100ppm (10-40 mins) / 300ppm (<3 mins). Reset feature. Power/alarm indicator. Self test on sensor & self diagnostic CO technology. Electrochemical sensor. Power Source: Sealed Lithium Battery with 10 year life.
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2 in 1 Version WiFi Tuya And Smart Life Smoke Detector Sensor & Carbon Monoxide Co Gas Detector Smoke Fire Sound Alarm
Aliexpress UK
Quick Heat Dissipation: With multiple ventilation holes, which accelerate the convection between the air and the detector, to achieve effective detection and provide a nice heat dissipation effect. Item Type: Air Quality Tester.
eBay
Wireless Interlinked Smoke | Carbon Monoxide | Heat Alarm/Detector with Remote Controller ,10-year life Li-battery, CE,/UKCA
Aliexpress UK
Expanded Coverage: Experience the wider CO detection range of up to 1000PPM with our Portable Carbon Monoxide Detector. Always Stay Safe: Protect yourself from harmful CO wherever you go with this easy-to-carry portable carbon monoxide detector.
eBay
Wireless Interlinked Smoke and Heat Alarm Detector,Carbon Monoxide Alarm 10-Year Sealed Battery, Large Test/Silence Button,
Aliexpress UK
2x Smoke detector. Carbon Monoxide Detector/Co Alarm. Type A Smoke Alarm. Alarm current:≤160mA. Alarm sound pressure:80db/1m. 1xcarbon monoxide detector. Type B Smoke Alarm. Alarm current:<200mA.
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New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter
Aliexpress UK
1x Smoke detector. Carbon Monoxide Detector/Co Alarm. Type A Smoke Alarm. 1xcarbon monoxide detector. Alarm current:≤160mA. Alarm sound pressure:80db/1m. Type B Smoke Alarm. 1 xSmart WIFI Smoke Detector.
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New 1PCS TGS5042, for the detection of Carbon Monoxide
Aliexpress UK
Google nest smoke alarm. August 2028 and above all units! 2028 expiry. Comes with 6 months warranty and with the mount, may have no boxes. Grab a bargain.
eBay
MICS-5524 Air Quality Gas Sensor Module Carbon Monoxide Hydrogen Methane Ethanol H2 CO MICS5524 Detection Board For Arduino
Aliexpress UK
When the carbon monoxide concentration in the surrounding air exceeds 50PPM, the detector will continue to emit an alarm sound reminder of more than 85dB, and the alarm icon on the screen will continue to flash.
eBay
ENS160 CCS811 Carbon Monoxide CO VOCs Air Quality Numerical Gas Sensor Module
Aliexpress UK
It typically shows 0 in clean air, indicating no CO detected. If CO is present, readings appear during events like gas heater use, vehicle exhaust in enclosed spaces, or faulty cooking appliances, helping protect your family from harmful exposure.
eBay
TENSTAR MICS-5524 Air Quality Gas Sensor Module Carbon Monoxide Hydrogen Methane Ethanol H2 CO MICS5524 Detection Board
Aliexpress UK