Features:1).Anti-stick--allows you to easilly withdraw your electrode without damaging it in case of sticking2).LIFT TIG function is available 3).ARC force--increases the current in order to avoid the sticking when electrode enters in melted metal4).Hot Start--increases the current at the beginning of the welding5).Famous brand IGBT chips(FAIRCHILD from USA)6).SMT technology which highly reduced the PCB board broken rate7).Thermostatic,Website:http://www.welldo-weld.com,overvoltage,undervoltage,overcurrent protections8).Usable electrodes:Rutile,basic,stainless steel,cast iron,etc.9).Complete accessories--electrode holder,earth clamp with cable;mask and brush10).High duty cycle, capable to working in a long time for industrial using