It is super easy and convenient to chose the welding mode, material, welding wires, tungsten rods, electorde and the workpiece thicness you need by spinning and pressing the buttons. HZXVOGEN MIG Welder 220V 200A Weld Aluminum LED Smart IGBT Inverter MIG Stick TIG Welding Machine Gas Mix Gases Gasless Flux Cored Wire Solid Core Wire Welding Machine.