Specification- Model: TIG-200Compatible compatible for AC/DC - Rated Input Voltage: 110/220V ± 15%,1-PH - Power Frequency: 50/60Hz - Current range:10A-200Amp - Compatible for AC Duty Cycle:20%-80% - Pulse Duty Cycle:10%-90% - Max. Thickness: 27mm - Frequency:80% - Duty Cycle: 60% - Insulation Grade: B- Plug: US standard plugPackage Includes1 X Foot Switch 1 X TIG Gun 1 X TIG Stick Welder 1 X Earth Clamp 1 X Arc Electrode Holder 1 X Argon Gas Meter 1 X Protective Helmet 1 X Back Cup 2 X Nozzle 2 X TIG Collet 1 X User Manual