This portable saw gin got two National Patents. It is mainly used for cotton purchase and cotton ginning test. It's divided into 220V AC, 12V DC and AC-DC three power supply modes. The detailed sepecification as following: 1,Model:MJS-110A(220V AC), 2,Shape Size:335*215*300MM(13.20''*8.5''*11.81'') 3,Saws Quantity:7pcs 4,Saw Diameter:110MM(4.33'') 5,Brush Cylinder Speed:3480RPM 6,Saw Cylinder Speed:1250RPM 7,Voltage:220V 12V 8,Ginning Effeciency:500g/150seconds 9,Motor Power:260W 10,Weight:14kg/set