The RAZOR 17O is a dual voltage inverter-based ARC welding machine produced using the latest IGBT technology. The DC MMA welding capability delivers a smooth and incredibly stable arc allowing easy welding with electrodes producing high quality welds including cast Iron, stainless and low hydrogen. This quality Inverter comes complete with a carry case and a power adaptor to get your project started. The T.I.G Lift Arc function is superb and delivers perfect arc ignition every time without any sticking of the tungsten electrode to the work piece. This is an exceptional cost effective machine is suitable for a wide range of applications including, DIY, light industrial, site welding, farming, along with repair and maintenance applications. The RAZOR 170 gives you the best of both worlds, great portability, with the power to get the job done. Specifications: Part Number KUMJRRW170 Power Supply / Phases (V-Ph) 115V - 1 ?15% Rated Input Power (KVA) 8.5 ieff (Amps) 20A 115V - 20A 230V Imax (Amps) 36A 115V - 39A 230V Rated Output 170A/26.8V MMA - 170A/16.8V TIG Welding Current Range 10 ~170A No-Load Voltage (V) 63 Duty Cycle @ 104?F 30%@170Amps MMA - 35%@170Amps TIG Protection Class IP21S Size (inches) 12.32ö x 5.11ö x 9.84ö Weight (pounds) 10.4 Warranty 3 years on power source