... in one machine,TIG welding, MMA welding and air plasma cutting3.Compact and easy for operation4.220V single phase, portable, ... fan-cooled, thermostatic protection, suitable for DIY and family use5.“D”series are for 110/220 double voltage ... voltage changing6.CE APPROVED,OEM ACCEPT,DIGITAL DESIGN ACCEPT. 7.LIGHT AND SMALL ,HF ARC.digital display,foot control padal8. MAX CUTTING THICKNESS ...