CMF800 up and down counter 220v 1.Dual 6-digit LED indicators 2.Multiple operation method 3.Easy menu 4.CE CMF800 up and down counter ... , Impulse level, CoderInput channel1~2 input channel(s)Operation methodCount-up, Count-down, Displacement meter, Batch counter, AccumulationOutput modeN, F, R, CReset ...