ARC-185 is a rectifier adopting the most advanced inverter technology. Welding power source can offer stronger, more concentrated and more stable arc. When stick and work piece get short, its response will be quicker. Power cords extend to 700 feet still can use normally. Specifications, Type: Stick Arc DC Inverter Welder. Supply Power: 115V/230V, 50/60Hz, 1-Phase. Rated Input Current: 230V/33Amp, 115V/45Amp. Current Range: 230V/20-180Amp, 115V/20-130Amp. Nominal DC Open Circuit Voltage: 75-Volt, Output Voltage: 27.2-Volt. Duty Cycle @ 104F(40c): 60% @ 180 Amp. Cooling Method: Forced Air Fan Cooling. Usable Electrode, 230V: 1/16-3/16 in. & 115V: 1/16-5/32 in. Power Factor: 0.93. Dimension: 16.0 X 6.5 X 12.0 in. Net Weight: 16.0 lbs. Packaging Size: 19.5 X 9.0 X 13.5 in. Packaging Weight: 22.0 lbs. Packing List: ARC-185 Stick Arc Welding Machine, 7 Feet Power Cord & N6-50P Plug (on the machine), 10 Feet 300A Electrode Holder Assembly, 35-50mm Lead Dines. 10 Feet 300A Work Clamp Assembly, 35-50mm Lead Dines, 230V to 115V Power Adapter, 2 Pieces Electrode of 1/8 in. 2 Pieces Electrode of 3/32 in. Owner’s Manual.