Fire security alarm battery portable smoke detector sensor with sounder alarm
  	Working Power: DC9V alkaline batteries
  	Static current: ≤ 10uA
  	Alarm current: ≤ 10mA
  	Alarm: Independent audible and visual alarm
  	Alarm sound: ≥ 85dB
  	Working temperature: -10 ℃ ~ 50 ℃
  	Relative humidity: ≤95% RH (40 ℃ ± 2 ℃)
  	Product size: 102mm × 40mm
  	