1.This is operation of micro-computer intelligentized shoe cover dispenser 2.It could solves the problem of changing shoes or shoe cover by hand when people enter into a clean room. 3.It has great capacity that can install 100pcs shoe cover per time. It has attractive design, spacesaving and can be used in business occasion as well as luxurious homes. Packing size:70CM*37CM*90CM (L*W*H) Outside Power supply:AC 220V 50HZ/AC 110V 60HZ Inside Power supply:DC12 V 8.4A Entire machine power:50W Entire machine weight:20KG Colour:milkiness