First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Engine Degreasers K-77 Root Killer destroys clogging

K-77 Root Killer destroys clogging tree and shrub roots from pipes fast

An 85 Decibel Horn Sounds If Carbon Monoxide Levels Are Too High

Insulating urethane foam panels reduce noise and vibration

Atomic Time & Date With Manual Setting

Biological activity in septic tanks is easily thrown out of balance when excessive water

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Engine Degreasers K-77 Root Killer destroys cloggingElectrochemical 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