Smoke Detector with 10-year battery, photoelectric sensor (4 pack)
4-pack smoke detectors with 10-year 3V lithium battery and photoelectric sensor for early fire warning. Built-in test button and low battery warning. Customer note: easy to install but some report limited audible alert
Highlights
- 10-year lithium battery
- photoelectric sensing
- low battery alert
Pros
- 10-year battery life
- photoelectric sensor technology
- built-in test button
- low battery warning
- easy installation
Cons
- some reports of inaudible alarm
- mixed performance on activation
- device may be smaller-than-expected
Best For
Features
- 10-year built-in 3V lithium battery for extended power
- Photoelectric sensor for early detection of slow-burning fires
- Test/Silence button with weekly testing capability to reduce false alarms
- Battery-operated smoke detector with built-in low battery warning