Electromechanical Counter Number of Digits 6 Mounting Panel Max Counts per Second 16.6 Height 1.62 in Depth 2.27 in Width 4.45 in Display 0.19 in White Numbers on Black Background Input Signal 115V AC Input Voltage 115V AC Min On/Off Pulse 30 / 30 msec Reset Type Key Fits Panel Cut Out 3.85 in x 1.75 in