1、High reliability sensor, automatically reset after alarm, warm‑up time is about 180 seconds. 2、Using MCU processing, automatic detection of sensor failure, wall mounted installation. 3、SMT designs, high stability, the gas alarm will flash red LED light when it detects. 4、Made of high quality material, safe and durable, has a long service life. 5、Good performance and quality assurance, high safety factor, can be used with peace of mind. 1 x Gas Alarm1 x Installation Buckle1 x Screw1 x Screw Cap1 x User Manual Condition: 100% Brand NewItem Type: Methanol Gas AlarmMaterial: Plastic Plug Type: EU PlugVoltage: 220V Quiescent Current: ≦90mA≦30mA (Low Power Consumption Type)Alarm Current: ≦100mA≦40mA (Low Power Consumption Type)Rated Power: ≦3WWarm-Up Time: About 180 SecondsAlarm Level: 50ppmAlarm Indicator: Red LED FlashesFault Indicator: Yellow LED is on, buzzer beeps longSound Level: ≧85dB / MWorking Temperature: -10~+50℃Environmental Humidity: ≦95%RH (no condensation)Installation Method: Wall-MountedAlarm Output: Relay output/sound and flash alarmRadio Distance: 100m open area (wireless type)Carried Standard: GB 15322.2-2003