very practical for counting parts, people, scorekeeping
red LED read-out
2 inputs: counts up or down
counting through external pulses or push buttons
memory function constantly compares the current value with a preset value and activates an output for as long as both are equal or for an adjustable time
debounce function for stable operation (with low counting frequencies)
adjustable 'preset': 0000 to 9999
comes with board-to-wire connectors (20cm wire)
Specifications
counter input : dry contact, connecting to ground.