Wireless Mini Carbon Monoxide Detector, CO Alarms Battery Powered with LCD Digital Display and Sound Alarm, EN 50291 CO Monitor for Home Safety (White) : Amazon.co.uk: DIY & Tools
Carbon monoxide detector
10 Year Life Digital Display Carbon Monoxide Alarm - Kidde 5DCO
HOMELYLIFE Carbon Monoxide Detector, Replaceable Battery Operated Carbon Monoxide Alarm with LCD Digital Display, EN 50291 CO Alarms Monitor for Home ...