First Alert

Uses an electrochemical carbon monoxide sensor Simple to use silence/test button Low battery warning This product is intended for use in ordinary ...

10-Year sealed Lithium battery Photoelectric smoke sensor for less nuisance alarms Low profile, slim design Easy installation, includes easy twist...

Electrochemical Carbon Monoxide sensor Single Test/Silence Button Backlit Digital Display for greater visibility of which hazard is being sensed (...

Equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire Features a lighted power and ala...