Set AC & DC arc welding in a body, gentle arc, small noise. Characteristic:1. Set AC & DC arc welding in a body, gentle arc, small noise.2. Good stiff current, easy to fill wire, beautiful forming.3. Built-in protective circuits, safe operation4. AC function can be used in welding various nonferrous metal, stainless steel, carbon steel and copper, etc.5. DC function can be used in welding ...