Operates on a 10-year lithium battery, eliminating the need for battery replacement, while providing reliable detection during a power failure
End of life chirp notifies you when the alarm needs to be replaced
Listed by UL with a 10-year limited warranty on the alarm only (battery performance not included). Warranty starts when the alarm is turned on. If the start date is unclear, assume replacement is necessary.
Smoke alarm automatically activates when it is attached to the mounting bracket
Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
Photoelectric sensor technology senses visible fire particles, associated with smoldering fires