... Inverter TIG welderAdopts advance V-MOS (IGBT) inverter technology, operating frenquency cy of 100KHZ, significant energy. The use of orginal components imported power. Light ... , portable, fan-cooled , starting arc with contact , movable welding cable .2. Adopt with advanced inverter technology, lightweight.3. Stepless current adjustment ,suit for TIG /DIY welding ...