Hour Meter, Display Type Electromechanical, Time Range 0 to 99999.9, Bezel Face Size 1.77 in x 1.25 in, Bezel Face Shape Rectangular, Bezel Face Type Flange Mount, Elapsed Time To 99,999.9, Operating Voltage 10 to 80V DC, Number of Digits 6, Display Units Hours/Hundredths, Bezel To Back Length 2.8 in, Depth 1.25 in, Length 2.82 in, Width 1.77 in, Ambient Temp. Range -22 Degrees to 149 Degrees F, Material of Construction ABS, Input Type Electrical, Reset Type No Reset