Welding functions: Support for MIG gas, MIG mix, Flux cored/MIG gasless, Lift TIG, MMA. Clear display: The new digital LED panel display shows every detail of the weld clearly. Easy adjustment: easy switching of welding modes and adjustment of welding parameters.Automatic wire feed function: quickly feeds the wire out of the gun, even to inaccessible interiors. Inductance adjustment: adjusts the softness of the arc, reduces spatter/deepens the fusion pool. Multiple upgrade functions: 2T/4T welding mode, inductance adjustment, voltage adjustment.