factory direct sales 10150 card mounted electronic finger counter with light, led ring electronic counter bare metal
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10150 led计数器裸机,不含包装.
按动计数器:按键推动棘轮,进行十进位加法计数并设有转动回零装置,最大积数9999,按动比例1:1,计数速度(300次/分),广泛用于车站、码头、点数、理货,以及公共场所进出车辆,人数统计等等