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

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

• 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 while minimizing false alarms
• Easy mounting bracket for effortless installation on a wall or ceiling
• Battery-operated unit provides continuous monitoring even if there's 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 know when to replace the unit

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 while keeping false alarms to a minimum. A built-in 10-year 3V lithium-ion battery provides continuous power with no need to ever worry about changing batteries for the lifetime of the alarm. It's manufactured using 52% less resin and 76% less plastic than a standard alarm. The easy mounting system allows 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 lets you easily check alarm function and mute false alarms, and an end-of-life signal lets you know when it's time to replace the unit.