This is the Miller I have but I added foot pedal for control. its a suitcase unit. It works on 110 or 220. and does stick or tig. I can weld 1/2' plate steel no issues on 110. I'm going to switch to a unit that can do aluminum. I would also like a high frequency start and pulse modulation. Check out the everlast welders. There made in USA and they even have a unit that can stick, tig, mig, ac, dc, high freq, etc. (everything in one unit)