SUNGOLDPOWER 200Amp TIG ARC MMA Stick IGBT DC Inverter Welder System Digital LED Display Welding Machine 110V and 220V With HF Start Complete Package 1.TIG-200G inverter welder with advanced technology and great features. Ideal for high frequency DC TIG and MMA welding. The lightness and strength of its components make this a reliable work tool for professionals or personal use. The HF service guarantees a start-up at 100%. 2.HF Start-easy arc starting and improvers tungsten life, Fan cooling system, Compact portable design and light weight 3.Suitable for welding different metals such as steel, stainless steel, nickel alloys, copper, brass and bronze etc. (not suitable for welding aluminum 4.Over-voltage protection,under voltage protection,over current protection,over load protection.Automatic compensation for voltage fluctuation,can work normally against input voltage fluctuationble forwelding differentmetalssuch assteel, stainless steel, nickel alloys,copper, brass and bronze etc. (not suitable for welding aluminum