https://weldmongerstore.com/collections/weldmonger-top-20-products/products/primeweld-mig180-180-amp-mig-welder-with-spool-gun I used the pigtail adapter and plugged into 115 volt. Recommended settings on the primeweld mig settings chart with C25 gas are 18 volts and 236 inches per minute using .035" er70s6. Seemed Dead nuts for a lap joint on the bench. Stepped up to 1/4" with slower travel speed and did ok . | Welding Tips & Tricks