30 to 100 Amps OutputWelds up to 1/4" steelWelds flux-cored wire. Upgrades to MIG.Plugs into 115V, 20 amp outlet.Gun trigger safety feature keeps welding wire electrically "cold" until trigger is pressedCompact, portable, lightweight and easy to useWelder settings reference chart conveniently located inside wire feed section door makes it easy to set the PRO 100 for mild steel welding jobsFan-cooled for long life expectancyManufactur three year warranty on parts and labor. (90 days warranty on gun and cable)