Specification:
Operating voltage DC3.0V(2*AA battery)
Sensor type Electrochemical sensor / Photoelectric
Alarm signal Sound and light indication
Sensor lifespan Max.10 years
Sampling Method Natural diffusion
Alarm sensitivity CO gas:50ppm (60-90 minutes)
Smoke: 0.3dB/m
100ppm (10-40 minutes)
300ppm (3 minutes)
Sound level ≥85dB in 3 meters
Preheat period Approx. 90 seconds
Operating temperature -10℃ ~ +55℃
Operating humidity ≤95%RH(no condensation)
Communication protocol 433MHz (<100m in open area)