Hour Meter Display Type Electromechanical Time Range 0 to 99999.9 Bezel Face Size 1.89 in x 1.89 in Bezel Face Shape Square Bezel Face Type Square Flush Mount Elapsed Time To 99 999.9 Operating Voltage 115V AC Hz 60 Hz Number of Digits 6 Display Units Hours/Tenths Bezel To Back Length 1.6 in Depth 1.35 in Length 2.2 in Width 2.05 in Ambient Temp Range -22 Degrees to 158 Degrees F Material of Construction Black Polymer Input Type Electrical Reset Type Non Resettable