Electromechanical Counter, Number of Digits 6, Mounting Base, Max. Counts per Second 10, Height 1 in, Depth 1.4 in, Width 1.45 in, Display 0.125 in White Numbers on Black Backgoround, Input Signal 115V AC, Input Voltage 115V AC, Min. On/Off Pulse 50 / 50 msec, Reset Type No Reset, Standards UL