PRESET COUNTER 1:2,3,4 digits display with 7 segment LED display 2:Contact input, proximity or photoelectric switch compatible

PRESET COUNTER1,  2,3,4 digits display with 7 segment LED display2,  Contact input, proximity or photoelectric switch compatible

3,  To reset the counter by cutting the power or shorting contact (1+3)

4,  Memory function available

Please contact Ms.Amy YIN --- yinamy9@gmail [dot] com and sikeqd@126 [dot] com

digital PRESET COUNTER