First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Dryer Vent Accessories and easy-to-use

and easy-to-use

Double Oil Sealed Shaft Resists Contamination & Increases Durability

Width 5 Length 10

tear-a-square

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Dryer Vent Accessories and easy-to-useElectrochemical 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