Multi processes in 1: Synergic MIG /Manual MIG/Single Pulse MIG /Double Pulse MIG/ Lift TIG (TIG torch not included)/ Stick Easy to use: Synergic MIG provides communication between the power source, feeder, and gun. Easy work with new welders or users. Can take up to 0.9mm (.035") MIG solid wire (Gas MIG) Capability for Steel, Stainless Steel, Aluminum. Safety:Automatic Protection Function for Over-current, Over-voltage and Over-heating