Voltage/Frequency : 115V/60HZ Single Phase Max Open Voltage: 37V Rated Duty: 10% at 105A Current Range 50-120 AMPS Solid/Flux/Stainless Steel/Aluminum: 0.023" to 0.031"(.8mm)/0.030"(0.8mm)/0.023 Weld Thickness: up to 1/4" Includes: Clamp Cable, Contact Tips & Welding Gun, Face Shield & Wire Brush