Optical smoke detector with lithium battery - 10 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 CR123A lithium battery 
- Battery life: 10 years (sealed battery, non-replaceable)
- Installation : ceiling or wall