·Power Supply: DC 9V battery operated
·Sensitivity Setting:conform to EN50291 standard
·Standby Current: <30μA
·Alarm Current: <30mA
·Operation Ambient Condition: 4~38℃, 25~85%R.H.
·Sensor Type: electrochemical                                                        
·Battery spec:  DC 9V,Carbon Zinc 6F22 or Alkaline 6Lr61, 1604A for ANSI,6AM6 for JIS
·Alarm sound : ≥85DB at 100cm @3.4±0.5KHz pulsing alarm
·Packing Size:125mm x 110mm x 55mm
·Weight:0.22kg