First Alert Plug-In Carbon Monoxide Alarm with Battery Backup Type:Carbon Monoxide Alarm 4 AAA batteries included

4 AAA batteries included

120-degree beam angle

ready-to-use spray kills carpenter ants and termites

and paint scuffing

fits small engines

First Alert Plug-In Carbon Monoxide Alarm with Battery Backup Type:Carbon Monoxide Alarm 4 AAA batteries includedThe First Alert CO606 Carbon Monoxide Plug In Alarm with battery backup features an electrochemical CO sensor to alert you to carbon monoxide. This carbon monoxide detector plugs into any standard electrical socket to monitor CO levels in your home. The simple, user friendly design features battery backup to allow for continuous monitoring, even in the event of a power outage. Battery backup allows for continuous monitoring during power outages Single