ARC Welder Mini, ARC200D 110v/220v IGBT Inverter Welding Machine, Maximum. Advanced IGBT Inverter Technology: Powerful welder capable of welding mild steel, weld steel, stainless steel and cast iron. IGBT power device with unique control mode improves the reliability of welding machine. Energy Efficient: Reduce the damage of Copper and Iron, obviously increase the welding frequency, and energy-conserving result is remarkable. Portable Design:This welder features a easy carrying handle and carrying strap, compact design, easy for translation and storage. Very convenient, can be used anyw you need. Leading Control Mode: Closed loop feedback control, the output voltage is stable, strong adaptability for electricity network. Multi Use: The MMA welder is suitable for welding stainless steel, mild steel and other metal materials.