Optical smoke detector with alkaline battery - 5 years

In the event of fire, the smoke detector will alert you with its audible signal.

- Smoke detection over an area of 40m²
- Equipped with TEST button to check the sound level
- LED to indicate low battery
- Noise level 85 dB at 3 m
- Power supply: 1 x 6LR61 alkaline battery 
- Battery life: 5 years (replaceable)
- Installation : ceiling