A long time standard in the Everlast lineup, the PowerTIG 200 models have been placed in all sorts of demanding conditions since 2009. It's a favorite among light and medium fabricators who want a simple interface, but still want to have upscale features. Undoubtedly, the newest version of the PowerTIG 200DV is the best yet. It is more efficient and power "sipping" than ever. It also has been fine tuned is more robust than ever. The new stackable PowerCool 375 cooler matches perfectly to the PowerTIG 200DV and adds to the appeal of the unit. Able to operate on 120V or 240V single phase 50/60Hz, the unit offers maximum go-anywhere performance. The unit is definitely portable, and can be used with any generator that is rated for 8500W (240V) surge watts and is certified by the manufacturer as "clean power". If you need a reliable, TIG welder that you can carry with you and make quality welds day-in and day-out, the PowerTIG 200DV is definitely one to consider.