Hour Meter/Counter, LCD, Number of Digits 6, Display LCD, Counts per Second 50, Input Signal 4.5 to 28 VDC, Input Voltage 8 to 32 VDC, Mounting Panel, Dia 2 In, Depth 1.5 In, Min. On/Off Pulse 10/10 mSec, Power Rating 1.6 mW to 0.36 W VA