First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Wrenches Prevents water from freezing in

Prevents water from freezing in temperatures as low as 10 f

energy saving

in the form of blocks

even during power outages

Combination Padlock

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Wrenches Prevents water from freezing inElectrochemical 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