This meter is a combustible gases leakage detector, which is used to detect the leakage of combustible gases quickly and reliably. Using quality gases-sensitive semiconductor sensors, convenient for users to safely detect and test a variety of combustible gases types, easyto meet different test needs. Widely used, suitable for water heating device detection, gases pipeline detection, etc. Features: Compact Size: Portable gases detector, compact ABS body, waterproof and dustproof, quick response, detect leaks quickly. Semiconductor Sensors: Using quality gases-sensitive semiconductor sensors, high-precise and react very quickly, support more accurate measurement. Easy to Use: Convenient for users to safely detect and test a variety of combustible gases types, easyto meet different test needs. Measurable Gases Types (partial list): acetone, Acetylene, alcohols, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gases, paint thinners,