MIG and flux core wire feed welder has built-in gas line and valve, meaning no additional parts needed, and is MIG ready. Thermal overload protection, automatically shuts off to avoid overheating. Variable wire speed control allows adjustment for smooth, even weld bead. External polarity control, allows change between MIG and flux settings. Professional torch equipped with trigger activated arc for easy start. Includes: Starter spool of flux core wire, MIG regulator, hose and clamps, and quick start guide, and 2 contact tips. 115V. 20A DC output. Duty cycle: 20% at 70A. Wire sizes: .024", .030", and .035" on 4" or 8" spools. Welds from 24-gauge to 3/16" steel. Gas bottle and MIG welding wire sold separately.