"A bright but low-resolution tool for basic presentations, not modern entertainment."
The 4,000 lumens spec means this projector is bright enough to use without turning off all the lights, but the SVGA (800x600) resolution means the image will look coarse and pixelated, like a computer monitor from two decades ago.
This is for buyers on a strict budget who need to project simple, large-font presentations or graphics in a bright room. Its utility is limited to basic informational displays where raw brightness is more important than image detail.
Anyone intending to watch movies, play modern games, or display detailed spreadsheets should avoid this. The low resolution will render text illegible and video content jagged and unpleasant to view.