Hour Meter, Display Type LCD, Time Range 0 to 99999.9, Bezel Face Size 2.33 in dia, Bezel Face Shape Round, Bezel Face Type Flush Mount, Elapsed Time To 99,999.9, Operating Voltage 8 to 32V DC, Number of Digits 6, Display Units Hours/Tenths, Bezel To Back Length 1.5 in, Ambient Temp. Range -22 Degrees to 149 Degrees F, Material of Construction ABS, Input Type Electrical, Reset Type Remote Signal, Temp. Range -22 Degrees to 149 Degrees F, Fits 2.0 in dia Opening, Mounting Method Retainer