Very practical for counting people or parts, scorekeeping, ... Counts up or down, count input through on-board push buttons or by external pulses. Display modes: normal or time (hh:mm and mm:ss) An internal oscillator allows time measurement, a memory function constantly compares the current value with a preset value and activates an output for as long as both are equal. Self diagnostic at power up. Comes with easy board-to-wire connector (20cm wire).