First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Electrician Tools SuperPatch is a two-component

SuperPatch is a two-component

Dial on top of the sprinkler adjusts distance to fit within desired space

sweeteners

Protects Wood From Becoming Dry

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Electrician Tools SuperPatch is a two-componentElectrochemical sensor Easy to read backlit digital display allows a quick view of current and peak CO levels. Plugs into any wall outlet and includes a battery back up for detection even during power outages EZ access battery door allows you to change batteries without having to dismount the alarm 5 decibel horn sounds if carbon monoxide levels are too high, and a test silence button silences the alarm and allows you to test its functionality