Feature:1. APPLICABLE RANGE: The measuring range of the gas detector is 0100%LEL, used for combustible gases, such as liquefied petroleum gas, methane, etc.2. ACCURATE CONTROL: Adopt micro processing control, sound the alarm on site, quickly detect whether the gas is leaking, and ensure life safety.3. EXCELLENT SENSOR: The gas alarm adopts semiconductor sensor, which has high stability and small sensitivity drift to ensure accurate measurement.4. HANDHELD DESIGN: The gas leakage alarm is handheld design with standard plug, compact in size, convenient for connection and operation.5. PLASTIC HOUSING: The gas leakage alarm shell is made of ABS plastic, with good toughness, corrosion resistance and aging resistance.Specification:Item Type: Gas Leakage AlarmMaterial: ABSBattery: 1 x 9V 6F22 (not included)Plug Voltage: AC90-240VApplication: Used in places where combustible gas (such as liquefied petroleum gas, natural gas, biogas, etc.) may leakMeasuring Range: 3000PPM (1500PPM).Package List:1 x Detector2 x Expansion Screws2 x Screws1 x User Manual