The machine is a semi-automatic one. You justneed to soak the beans first,then put it into the grinding machine. The machine willgrind thesoyabeans to soyamilk. The operation is very simple. Main technical parameters TypeWSD-YPower(KW)1.5Voltage(V)220/380Steam Consumption(Kg/h)22Output of Soymilk(Kg/h)120Output of Tofu(Kg/h)30-40Shape/size(mm)2070*600*1520