MIG welder and MIG brazing machine with programs for pulsed arc or short arc for the most diverse, weldable materials of modern car bodies such as highstrenth-steel, galvanized sheet metal or aluminum alloys. Depending on the thickness, material and torch length this double torch welding system can be equipped with the best solution for the task. There is a 4 m handy push-pull torch for the optimum welding of aluminum. To update the software there is an interface. The operation is very simple and easy to use. The only necessary setting is the sheet metal thickness. Welders of the Synstar family passed  welding tests of well known automobile manufacturers such as Volkswagen (SLV Duisburg 2018) due to their excellent welding properties.