First Alert 1039718/CO400 Basic Battery-Operated Carbon Monoxide Alarm, 9V FREEOVER35 cap and studs

cap and studs

Easy to install with 4 screws

(1) 18V Compact Tough 1/2" Drill/Driver

Keeps hands from going through glass in storm doors

First Alert 1039718/CO400 Basic Battery-Operated Carbon Monoxide Alarm, 9V FREEOVER35 cap and studsThe First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 decibel alarm alerts you to the threat. CO detector alerts you to carbon monoxide Electrochemical CO sensor is