Description:Gas Leak Sensor Sensitivity Combustible Alarm Coal Natural Portable Warning EU OnlyThis product can be used as an independent family alarm equipment and can also be used as a front detector on the alarm system.Easy installation and maintenance, Automatic reset after alarm.High reliability sensor.easily detect various combustible gases.Specification:Plug:, EU plug (220 ~ 240V), UKOperating voltage: DC9-16V or AC 220VStatic current: 90mA 30mA (type low power )Alarm current: 100mA 40mA (type low power )Warm-up time: approx. 120sAlarm level: 10% LELAlarm indicator: red LED flashingSound level: 85dB/mOperating temperature: -10~50Environmental humidity: 95%RH (no solidification) Installation mode: wall mountedAlarm output: relay output/sound & lightning alarmRadio distance: 100m in open areaMaterial: PVCOutline size: 120mmx70mmx43mm/4.72''x2.76''x1.69''(approx)Color white Quantity: 1 set