TIG315BP features: Multi-Functional: Pulse TIG AC/DC and MMA Function, 2T/4T and repeat Function, Up Slope and Down Slope Function Adjustable, Post Flow 0-10S Adjustable, Pulse Frequency and Pluse Width Adjustable, Start Current, Base Current, peak Current and Crater current Adjustable, Remote Control Function, Wide Range for Input Voltage: 380V +- 15%.