FEIFANKE TIG Welder AC DC 240V 200A Inverter Welding Machine IGBT Pulse Aluminium Welder Machine 7 in 1 ARC Welder with Digital LED Display and WP26 TIG Torch for Stainless Steel Aluminium Induction ARC: The TIG welder works with a non-contact induction arc, which makes it easier to recognise the arc and reduces tungsten and material consumption. An advanced digital control system with MCU and IGBT inverter technology ensures flawless weld seams without spatter or post-weld cleaning. Large LED display:The uniquely designed large LED display enables accurate reading of data and makes it easier and clearer to read the amperage, function mode and welding mode without removing the helmet. The welder can work with steel, stainless steel, metal, titanium, magnesium, copper and many other mater.