3 Pack 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, this Kidde alarms are powered by 120V AC with 10-year backup battery so you never have to change a battery. 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 has interconnected alarm activation so you never miss an emergency and can get out faster.
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