"This is a low-resolution toy projector whose main feature is its very low price."
This projector accepts a 1080p video signal but displays it at a much lower, unstated native resolution. The resulting image will be significantly softer and less detailed than a true HD television or a more expensive projector.
This is a functional option for a child's bedroom, a temporary backyard movie night, or for projecting ambient visuals where picture quality is not the primary concern. Its value is entirely in its sub-$100 price tag, provided you have a completely dark room.
Anyone expecting a cinematic or even TV-quality image should pass. If you plan to watch in a room with any ambient light, or if you are sensitive to blurry or pixelated images, you should save for a projector that specifies its native resolution and ANSI lumens rating.