"A flexible, smart projector for the price of a dinner, with picture quality to match."
The '4K Support' means the projector can accept a 4K signal, but it will downscale it to its much lower native resolution, likely 720p. The 260 ANSI lumen brightness is extremely low, suitable only for small projections in pitch-black conditions.
This is a justifiable purchase as a novelty toy for a child's bedroom or for projecting abstract visuals onto a ceiling. The rotating base and low price are the only compelling reasons to consider it. It's an affordable, low-stakes experiment in projection.
Anyone seeking a basic home theater experience should look elsewhere. The image will be too dim, soft, and washed-out for satisfying movie viewing. For a functional movie machine, you must save up for a projector with at least 1,000 ANSI lumens and true 1080p resolution.