LandHero MIG-140 Gasless MIG Welder, features include generator-friendly design, inverter IGBT technology, and multi-welding process capabilities. Compatible with wire sizes 0.030"/0.035"/0.039". Dual voltage input 110/220V, output current range 30-140A, 60% duty cycle at 140A, wire feed speed 78-472 inches/min (2-12 m/min).