Counter, Number of Digits 8, LCD Display, Character Height 0.46 in, Max. Counts per Second 1, Input Signal 9 to 28VDC Current Sinking and Current Sourcing, Mounting Panel, Height 1.54 in, Depth 1.86 in, Width 2.95 in, Scaler Yes, Preset Yes, Power Required 9 to 28 V DC, Min. On/Off Pulse 50 msec, Prescaling Range 0 to 999,999, Reset Type Front Panel Push Button, Interface RS485, Connector Type Wire Clamp/Screw Terminal