When the smoke intensity reaches a certain limit at an early stage of a fire, the smoke detector would detect it and warns your with an integrated siren sound.. This enables a fire to be detected at an early stage and a warning to be given in good time before dangerous smoke gases are present.
Technical specifications:
Sound pressure level at a distance of 3m in dB(A): ≥85
Protection category : IP20
Power supply: 2 x 1.5V LR6
Typical battery lifetime: 5 years
Dimensions (diameter x height): 119 x 50mm
Weight, incl. batteries: 168g