Kidde Direct Wire Combination Carbon Monoxide and Ionization Smoke Alarm

The Kidde® 120 V White Worry-Free Hardwired Combination Smoke and Carbon Monoxide Alarm contains a 10-year sealed battery backup. The alarm uses breakthrough technology to offer a fast response to real fires (including smoldering and fast flaming) as well as to protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms.