First Alert Photoelectric Smoke Detector | 10 Year Sealed Battery Backup, P1010

Combining premium smoke detection with a sleek, compact design, the First Alert P1010 Atom Photoelectric Smoke Alarm with 10-Year Battery uses an ultra-reliable photoelectric sensor to detect smoke from smoldering fires even as keeping false alarms to a minimum. A built-in 10-year 3V lithium-ion battery provides continuous power with no want to ever worry about changing batteries for the lifetime of the alarm. It is manufactured the use of 52% less resin and 76% less plastic than a standard alarm. The easy mounting system permits you to effortlessly install the detector on a wall or ceiling. A loud 85-decibel siren sounds if smoke is detected, a convenient test/silence button allows you to easily check alarm function and mute false alarms, and an end-of-life signal allows you to know when it is time to replace the unit.

This photoelectric smoke alarm offers reliable smoke detection in a sleek, ultra-compact design; extended-life, tamper-proof 3V sealed lithium battery effectively provides up to 10 years of monitoring, requiring no battery changes for the life of the alarm
Photoelectric sensor detects smoke from smoldering fires even as minimizing false alarms
Easy mounting bracket for effortless installation on a wall or ceiling
Battery-operated unit provides continuous monitoring despite the fact that there is a power failure
Alarm also features loud 85-decibel alarm, easy mounting bracket, a single test/silence button, and an end-of-life signal so you recognize when to replace the unit