This is an AC/DC Pulse TIG welder (+MMA) that can weld aluminium and many other non-ferrous and ferrous metals. It seems to have good reviews and Australian support (Unimig are based in Australia with staff in Sydney, Melbourne, Brisbane and Perth). Usually >$1200 elsewhere.
Unimig product page: https://unimig.com.au/product/razor-200-acdc/
This price puts it at around the same or less than similar, less reputable welders from overseas that have no company support.
Original PLUSMORE 15-20% off all items at Selected Sellers on eBay Deal Post
Finally. I'm the proud owner of a tig