Alarm = Visual (page 1 / 1)
Combustible Gas Detector, Detects Ammonia, Butane, Cyclopentane, Ethane, Ethanol, Isobutane, Methane, Natural Gas, Propane, Accuracy 1 ppm Gasoline, 5 ppm Methane, Hydrogen, Isobutane (R600a), Propane (R290), Audible Noise, Multiple LEDs Indicator, Battery (2) Duracell MN1300 D Alkaline, Height 26 in, Width 3 in, Depth 3 in, Includes (2) D-Size Batteries, Hydrocarbon Gas Sensor, Plastic Carrying Case, Manufacturers Warranty Length 3 yr