Item Type: Natural Gas Detector_x000D_ Material: ABS _x000D_ Gross Weight: 122g/4.3oz_x000D_ Working Voltage: 12-28V_x000D_ Quiescent Current: 70MA_x000D_ Alarm Current: 150MA_x000D_ Alarm Concentration: 10-25 percents LEL_x000D_ Buzzer Sound Pressure: 70DB/M_x000D_ Working Environment: -10---+45_x000D_ Applicable: For family residential areas, real estate villas, factories, shopping malls, warehouses, office buildings, etc. 1Low Power Circuit Design: The new generation gas detector adopts low power circuit design and new nanotechnology sensor, which can detect the concentration of gas very sensitively. 2Sound and Light Alarm: When the gas concentration reaches a certain standard, the gas detector will sound and light alarm, and at the same time transmit an alarm signal to the alarm center. 3MCU Control: The ceiling gas detector adopts MCU control and low power sensors, which has strong reliability, high stability, and service long life. 4ABS Material: The sound and light alert gas detector is made of premium ABS material which has durable construction and it is also ceiling mounted. 5Two Alarm Method Optional: There are separate alarm, and network alarm method optional and it will automatic reset after alarm exclusion.1 x_x000D_ _x000D_ Natural Gas Detector 2 x Screw 2 x Expansion Tube