●For checking product quantity, traffic volume, headcount or other counting tasks MATERIAL ●Steel（C-4B・C-4H） ●Plastic（C-4PC・DC-4WS） FEATURES ●1 count per push. Various type available for every application. ●4 digit counter ●With backlight（DC-4WS） POWER（DC-4WS） ●Tow LR44（alkali coin battery included for testing
