Miniature Gas Leak Detector Detects Acetone Acetylene Benzene Butane Ethanol Ethylene Oxide Gasoline Hexane Hydrogen Industrial Solvents Iso-Butane Methane Methanol Naptha Natural Gas Paint Thinners Propane Audible Visual Indicator Features Auto Calibration UL Listed Intrinsically Safe Class 1 Division 1 Groups A B C D Battery (4) AA Includes Batteries Fabric Case Instructions Sensor Tip Manufacturers Warranty Length 1 yr