Features:1.Adopt advanced MOSFET inverter technology.Suitable for TIG and MMA welding2.Digital display,Website:http://www.welldo-weld.com,visual and reliable3.Compact;portable;high effective and low consumption;energy saving.With strong compensation capability,resistant to voltage fluctuation with stable welding current4. 2T/4T function ,Pulse TIG/MMA function , digital control5.Thermostatic control;fan-cooled6.Hot start,arc force and overload protection7.Extremely flexible use for welding materials such as:steel,iron,titanium,copper,nickel and alloys8.Complete accessories-- TIG torch,electrode holder,earth clamp with cable,face mask,welding brush and carton box