Detect Type: Combustible gas and Carbon monoxide gas
Model Number: JKD-809COM
Power Supply: DC3V (14505 lithium battery)
Sensor of GAS: Catalytic sensor
Alarm sensitivity Setting: ＞8.0%LEL(4000ppm)  
Sensor of CO: Electrochemical sensor
CO alarm sensitivity Setting:
                             50PPM alarm within 60 to 90 minutes
                             100PPM alarm within 10 to 40 minutes
                             300PPM alarm within 3 minutes
Product life: 5 years

Operating Environment: temperature: -10℃ ~55℃,
                                          relative humidity:<95%No condensing

Storage and Transport Environment: -10~55℃ ,<95%RH

Atmospheric Pressure: 86kPa~106kPa, lndoor use type

Alarm Sound : ≥85dB at 1 meters
Size: about 96*96*39mm
Standard: EN50194-1:2009 & EN50291-1:2018