Advanced IGBT Technology: Our MIG-270 adopts the most advanced IGBT inverter technology with excellent arc stability. Suitable for welding carbon steel, iron, stainless steel, and other metals. Convenient Flux Cored Wire: This MIG Lift TIG stick welder can use 0.031'&0.039' flux-cored welding wire and solid welding wire. It can handle 2.2 pounds and 11 pounds of coiled wire. Also, you can control the wire feeding speed. It is the perfect entry-level welder choice. Easy Control Panel & 3 In 1: MIG welding machine has MIG MMA Lift TIG mode. The welding machine has knobs to support different current adjustment needs, voltage adjustment needs (110V or 220V), and wire-speed control. The LCD digital display is clear and easy to read. With this multi-function welding machine, you will save time and money when meeting different welding needs