The Kidde 5CO carbon monoxide alarm features a 10 year sensor life and is supplied with 2 x Duracell AA alkaline batteries to power the unit. The 5CO continuously monitors the CO levels detected within a room.
eBay
CPVAN Home Security System Fire Protection Wireless Interlinked Smoke+Heat+Carbon Monoxide Detector Alarm Sensor
Aliexpress UK
This battery-powered unit is designed to detect the presence of carbon monoxide,alerting you with clear voice warnings and a bright LED display.
eBay
2 in 1 Version WiFi Tuya And Smart Life Smoke Detector Sensor & Carbon Monoxide Co Gas Detector Smoke Fire Sound Alarm
Aliexpress UK
Ensure peace of mind with the ABUS Carbon Monoxide Detector, a vital safety device designed to protect you and your loved ones from the silent threat of carbon monoxide poisoning. Keep your household safe with this advanced warning system that's both easy to use and maintain.
eBay
Wireless Interlinked Smoke | Carbon Monoxide | Heat Alarm/Detector with Remote Controller ,10-year life Li-battery, CE,/UKCA
Aliexpress UK
The Kidde 2030-DCR is a battery operated carbon monoxide alarm with a 10 year sensor life. Three colour-coded LED indicators clearly display the current status of the Kidde 2030-DCR carbon monoxide alarm; green for normal operation, amber for a fault, and red for alarm.
eBay
Wireless Interlinked Smoke and Heat Alarm Detector,Carbon Monoxide Alarm 10-Year Sealed Battery, Large Test/Silence Button,
Aliexpress UK
Kidde 2030-DCR CO Detector Carbon Monoxide Alarm. This leading CO alarm has been updated to comply with EN50291-1:2018 standards. Kidde CO detector user guide. Kidde 2030-DCR Features Ideally a Carbon Monoxide Alarm should be installed in every room with a fuel burning appliance.
eBay
New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter
Aliexpress UK
This device is designed with advanced technology to detect the presence of harmful carbon monoxide gas in your living space. Fire Angel FA3820 Carbon Monoxide Detector.
eBay
New 1PCS TGS5042, for the detection of Carbon Monoxide
Aliexpress UK
Low battery warning sound which can be suppressed for 8 hours using the test button.
eBay
MICS-5524 Air Quality Gas Sensor Module Carbon Monoxide Hydrogen Methane Ethanol H2 CO MICS5524 Detection Board For Arduino
Aliexpress UK
Combine two detectors in one space-saving unit with the Kidde 10SCO Carbon Monoxide and Smoke Alarm. This alarm detects smoke with its optical sensor, and deadly carbon monoxide gas with its electro-chemical sensor for maximum protection in a property.
eBay
ENS160 CCS811 Carbon Monoxide CO VOCs Air Quality Numerical Gas Sensor Module
Aliexpress UK