KIDDE Hardwired Smoke Detectors with AA Battery Backup - 3 Pack

3 Pack alarms offers a modern design ideal for all living spaces. Cutting edge technology sends fast alerts that give your family more time to get out safely and enhanced sensing technology reduces false alarms often caused by cooking. Comprehensively tested and designed to UL/ULC standards for safety and reliability, these Kidde alarms are powered by 120V AC with 2 AA replaceable backup batteries (included) for continual detection even during outages. Plus, it’s self-testing and easy to install with the included twist-and-click mounting bracket. Equipped with end-of-life notifications, the alarms will beep to remind you it’s time to replace it 10 years after it is powered. These alarms also have interconnected alarm activation so you never miss an emergency and can get out faster.

• 2 AA replaceable batteries: provides power even duringshort-term power outages for extra peace of mind
• Interconnected alarms: when one alarm sounds, they allsound, so you never miss an emergency and can get out faster
• Self-testing alarms: for added assurance, internalcomponents ensure alarm is always operating as expected
• Simple installation: easy install with included twist-and-click mounting bracket
• End-of-life notifications: this alarm beeps to remind you it's time to replace it 10 years after it is powered
• 10-year limited warranty
• 3 pack