4 Pack Smoke Detector Fire Alarms with 9V Battery
4-pack photoelectric smoke alarms with 9V battery included. Easy installation with screws and bracket; features test button and LED/sound warning. Customers note clear alerts and simple setup
Highlights
- photoelectric detection
- includes battery and mounting hardware
- visible LED + audible alert
Pros
- 9V battery included
- easy installation with screws and bracket
- photoelectric technology for slow-smoldering fires
- loud alarm and LED indicator
- test button for weekly testing
Cons
- requires battery replacement
- chirp and LED blink indicate low battery
- only 4-pack; may require additional units for larger spaces
Best For
Features
- Test button confirms operation; replace batteries when low indicated
- Photoelectric sensor detects slow smoldering fires with light smoke
- Includes screws, bracket, and safety clip for battery-installed mounting
- Audible alert >85dB at 3 meters with red LED flashing during alarm
- Suitable for most rooms (excluding bathroom/kitchen); non-radioactive