Hour Meter, Display Type Electromechanical, Time Range 0 to 99999.99, Bezel Face Size 2.28 in dia, Bezel Face Shape Round, Bezel Face Type Flush Round, Elapsed Time To 99,999.99, Operating Voltage 115V AC, Hz 60 Hz, Number of Digits 7, Display Units Hours/Tenths, Bezel To Back Length 0.62 in, Depth 1.35 in, Length 2.28 in, Width 2.28 in, NEMA Rating 12, 4X, Material of Construction ABS, Reset Type Non Resettable, Temp. Range -22 Degrees to 158 Degrees F, Mounting Method Bracket