CO DETECTOR AC PLUGIN 2AA BKUP

The First Alert CO605 (1039734) is a professional-grade plug-in carbon monoxide alarm designed for reliable residential protection. It features an advanced electrochemical sensor that accurately detects carbon monoxide levels from any combustion source. The unit plugs directly into any standard 120V AC wall outlet, while the 2 AA battery backup ensures continuous monitoring even during power outages. A single test/silence button allows for easy weekly testing and the ability to mute nuisance alarms. This compact detector includes an end-of-life timer that signals when the unit needs replacement, typically after 7 years of operation.

First Alert Carbon Monoxide Detector, Plug-In, Low Battery Alarm, 120 VAC, AA Battery, Alkaline Battery, White Housing, 2 in Overall Length, 4-3/4 in Overall Width, 3.3 in Overall Height, Includes: (2) AA Batteries, UL Listed, Electrochemical Sensor, 85 dB Alarm, 60 Hz, For Bedroom, Hall or Basement