diymore DC 4-25V 0.36 inch 4-digit digital tube counter module low level switch quantity counting module addition and subtraction clearing

Product parameters:Voltage: DC 4-25VStandby current: 16mA (based on 24V measurement)Timing speed: 50% duty cycle signal, no more than 100 times/secondOutput method: pure counting module, no electrical signal output interfaceDisplay specifications: 0.36 inches 4-digit red displayDisplay size: 30147.2mmProduct size: 502514mmMounting hole: center distance 4015mm, hole diameter 3.2mmTerminal description:+: positive pole of power supply-: negative pole of power supply+1: count plus 1 signal input-1: count minus 1 signal inputCLR: count clear 0 signal inputVSS: common end of counting signal, i.e. negative pole of power supplyPacking list: module1