DC welding for stainless steel, alloy steel, carbon steel, copper and other color metal, AC welding for aluminum. Rated Input Voltage(V):220V+10% Input Capacity (KVA): 9 Output Current (TIG): 10-200A Output current (MMA): 10-150A Base current(A): 10-200A Peak Current (A): 10-200 Open Circuit Voltage (V): 50 Weight (kg): 25 Dimension (cm): 30X50X45 More model and more information,Please contact us!