... 110/220 v duel voltage input function, automatic input voltage shift;7. Complete accessories: welding torch, welding holder, earth clamp, etc. ModelItemTIG160ADCTIG200ADCTIG250ADCInput VoltageSingle ... ,strongly resistance to shock loading,nondeformable.TIG200ADC:welding machine/high frequency welder/electric welding machine IGBT AC/DC inverter TIG (GTAW)Welding Machine(CE approval, TIG200ADC)