Battery Operated Carbon Monoxide Alarm from First Alert with mute button to silence any nuisance alarms. Single button also tests alarm functions. Utilizes electrochemical sensor for increased accuracy. Easy front access to the battery. 5-year limited warranty. Meets UL standards.
Modern, compact design with no installation required
Electrochemical sensor - the most accurate technology available
Simple to use silence/test button; low battery warning; end-of-life timer
Loud 85-decibel alarm
Convenient front battery access for easy replacement