■ IGBT Inverter DC MMA,ACDC PULSE TIG ■ HF and lift for TIG ■ Single phase power ■ Up/down slope time adjustment ■ Pre/post gas flow time ■ 2T/4T function ■ 7pins control connector for TIG torch and pedal ■ Quickly gas outlet ■ MCU inside ■ 1Hz and 50Hz pulse selection