First Alert Carbon Monoxide Plug-in Alarm (battery Backup & Digital Display)

First Alert Carbon Monoxide Plug-In Alarm features a back-lit display for easy viewing and battery backup.

Ez-view Backlit Digital Carbon Monoxide Level Display Uses Electrochemical Carbon Monoxide Sensor The Most Accurate Technology Available

Remote-controlled Mute

Includes 2 AA Batteries

Plug-in Alarm With Battery Backup