1).Anti-stick--allows you to easilly withdraw you electrode without damaging it in case of sticking
3).ARC force--increases the current in order to avoid the sticking when electrode enters in melted metal
4).4.Hot Start--increases the current at the beginning of the welding
5).Famous brand IGBT chips(FAIRCHILD from USA)
6).SMT technology which highly reduced the PCB board broken rate
8).Usable electrodes:Rutile,basic,stainless steel,cast iron,etc.
9).Complete accessories--electrode holder,earth clamp with cable;mask and brush
10).Both industrial and home using are available , newest design and nice perfomance