Plug-in CO Alarm, Battery Backup

The Kidde KN-COB-DP2 AC/DC carbon monoxide alarm plugs directly into your home's standard wall outlet making installation quick and easy. The 2-AA battery backup provides protection even during power outages when many CO incidences occur. The Kidde AC/DC carbon monoxide alarm has a 10-year limited warranty. 10-Year Life: ?If your CO alarm was manufactured prior to 2013, it does not have a 10 year life. Consult your User Guide for additional details, or contact us for more information.?