First Alert 1039746 Carbon Monoxide Alarm with Backlit Numeric Display and Battery Backup, Digital Display, 85 dB, White

First Alert Carbon Monoxide Alarm with Backlit Digital Display ● Backup Battery for Power Loss ● Includes Mounting Hardware Kit ▶ Get Vehicle Protection Now

The First Alert CO615 dual-power graphite monoxide plug-in alarm alerts you to dangerous carbon monoxide. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The backlit digital screen tells you at a glance what the carbon monoxide and power levels are. The CO monitor also features a accessible test and silence button and an end-of-life timer that lets you know when it is time to replace the unit.