Combustible Gas Detector Detects Methane Propane Butane and More Measuring Range 50 to 10 000 ppm Audible Visual Indicator Features Propane and Other Combustible Gases At Concentrations As Low As 50 ppm Battery (4) AAA Height 28 5/16 in Width 1 3/4 in Depth 2 3/4 in Calibration Certificate Included No Includes Batteries Carrying Pouch Manufacturers Warranty Length 2 yr
