First Alert CO400 Carbon Monoxide Detector, Battery Operated Door Hardware self reaming and tapping screws

self reaming and tapping screws

The double lever arm can be installed for a regular or a top-of-jamb mount

convenient handle

and complies with the UL 10C positive pressure fire test

Grade 1 certified & UL / cUL listed for use on fire rated doors and positive pressure fire test

First Alert CO400 Carbon Monoxide Detector, Battery Operated Door Hardware self reaming and tapping screwsKeep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. The alarm sequence should last 5 6 seconds. If it does not alarm, make sure fresh batteries are correctly