ARC400IJ2 features: Digital Meter to Pre-Set and Display Welding Current, Arc-Force for Anti-Sticking, Hot-Start (0-130A) to start the Welding Arc Smoothly, VRD Function --- Safe for Welders, Remote-Control Function Optional, Outstanding Arc Stability with Low Spatter, Wide Range for Input Voltage: 380 +- 15%, Dust-Free Cooling System with Upgraded Duty Cycle, Input Voltage Optional: 3P 220V +- 15%.