Features:1. Gas Detector: This product is a combustible gas leak detector, which is used to quickly and reliably detect combustible gas leakage on gas pipelines.2. Automatic Shutdown: When there is no key operation and no measurement signal, the detector will automatically shutdown in about 5 minutes.3. Portable: The portable size and easy to hold also make it more convenient for you to operate, carry and store it.4. Detection Gases (Partial List): Acetone, acetylene, alcohol, ammonia, benzene, butane, ethanol, ethylene oxide, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinner, propane, solvent, etc.5. Professional Tools: It is widely used and is an indispensable tool for every professional. Specification:Material: ABSSize: about 16.6x2.7x2.4cm/6.53x1.06x0.94inchTechnical indicators:Sensor: Gas-sensing semiconductorDetection range: 50~1000PPM (methane)Response Sensitivity: