First Alert

First Alert BRK 9120B (2pack) Hardwired AC Powered Smoke Detector Alarm w/Batt... First Alert BRK 9120B (2pack) Hardwired AC Powered Smoke Detector Alarm w/Battery Backup Brand: BRK MPN: 2X-9120B Condition: New This First Alert hardwired smoke alarm includes a 9-volt battery backup that continues to protect you in the event of a... more

Use the First Alert AC Smoke & Carbon Monoxide Alarm with 10 Year Lithium Batt... Use the First Alert AC Smoke & Carbon Monoxide Alarm with 10 Year Lithium Battery Backup to keep your family both safe from smoke and carbon monoxide leaks. Not only does it feature ionization technology but also an electromechanical sensor with... more