Hour Meter Display Type Electromechanical Time Range 0 to 99999.9 Bezel Face Size 2.93 in dia Bezel Face Shape Round Bezel Face Type 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 0.4 in Width 2.93 in Ambient Temp Range -22 Degrees to 158 Degrees F Material of Construction Black Polymer Input Type Electrical Reset Type Non Resettable Mounting Method 3-Screw