Weld Cleaning System, Maximum Output Current 15 A, Input Voltage 120V AC, Output Voltage Modes AC (Cleaning and Marking), DC (Polishing and Etching), Receptacle Type Tank, Includes Brush Adaptor, Carrying Case, Fiber Brush, Ground Cable, Series Surfox 205, Compatible Material Type Aluminum, Stainless Steel, Titanium, Features Built-In Fume Elimination System, Cleaning a Typical Weld at a Speed of 5 feet/minute, Variable Current Output Knob, Frequency 50 Hz, 60 Hz, Included Wand Assembly 4 m