The Millermatic Passport is an inverter-based MIG arc welding power source, wire feeder, self-contained shielding gas system and gun all in a single package. It weighs 45 pounds and can weld for 25 minutes with 25 feet of weld on 3/16-inch-thick material with one cylinder of gas. It has current output range of 30 to 180 amps. It can connect to 115- and 230-volt power sources without removing the cover. Price is $1,724.