DC operated Photoelectric smoke alarm  (smoke detector, fire alarm system)

1.Photoelectric sensor for slow smoldering fires
2.Insects-resistant
3.Test button
4.Non-radioactive technology for environmental friendly
5.With wall mount plate set for easy installation
6.LED operation indicator
7.Extra loud alarm sound over 85dB
8.Low-battery and battery missing warning indicator
9.Automatic reset when smoke clears

10.Compact size: 110mm diameter
11. CE, BSI, SAI global, TUV approved, Comply with EN14064, AS3786, and UL217 standard

Operation Temperature 5°C -45°C
Power Source 9 volt Battery
Standby Current 15uA max
Alarm Current 30mA max
Ambient Humidity 10%-90%
Sensitivity to Smoke 3.0-6.0 %Obs /m