Detect Type: Combustible gas and Carbon monoxide gas
Model Number: JKD-808COM
Power Supply: AC90-240V, support 9V Rechargeable Battery Backup
Power consumption: Max 5W
Sensor of GAS: Catalytic sensor
Alarm sensitivity Setting: 2500PPM(±1500ppm) 
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: 3 years
Intelligent Voice Prompt

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 113*74*46mm
Standard: EN50194-1:2009 & EN50291-1:2018