The GV1 manages to pack brilliant image and car keystoning into a small battery powered product - all at an affordable value.
Mini projector merchandise webpages might be deceptive: most claim support for 1080p https://www.tuzkuz.com/products/mini-projector-hy300-pro-4k-android-11-dual-wifi6-260-ansi-lumens-bluetooth-50-1080p-for-home-cinema-and-outdoor-use