Photoelectric sensor technology senses visible fire particles, associated with smoldering fires
• 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
• 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
• UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim).
Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed. At least six years of battery life remaining per manufacturer date code.
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