Wemax' success with its ~1-inch high Go portable projector allowed the brand to take it off Indiegogo and onto 'normal' sales channels earlier in 2022. Now, it has been able to do the same with the device's Advanced Edition. This model is the one capable of the series' highest-end specs, which include an estimated max brightness of 600 ANSI lumens.
https://www.notebookcheck.net/Wemax-Go-Advanced-the-ultra-thin-projector-rated-for-ALPD-at-1080p-is-released-for-general-sale.616660.0.html
1.5 hours seems a really bad battery life, it going to crap out before the end of pretty much any movie you try to play.