... Pulse AC DC TIG welding, mix AC DC TIG welding, MMA welding. 2. Solf key and digital display 3. Store parameter 4. CCC, CE Features:1.Welder ... adopt international standard digital control IGBT inverter technology, use microprocessor to control ... to set welding parameter;2.Satisfied AC/DC TIG welding, pulse AC/DC TIG welding, mix AC/DC TIG welding, MMA welding, and so on ...