Kidde Hardwire Smoke and Carbon Monoxide Detector with 10-Year Battery Backup and Intelligent Wire-Free Voice Interconnect

Kidde 120 Volt Hardwired-Interconnected 10 Year Worry Free Combination Smoke and Carbon Monoxide Alarm . The alarm is suitable as a single station and/or multiple station (24 devices) alarm. This alarm contains a ten-year lithium battery backup, removing the need to replace batteries in a hardwired unit and carries a limited 10 year warranty. Shop all Kidde Smoke Detectors here.