Portable Projector Screen Tabletop Screen HD 16:9 Projection Pull Up Foldable Stand for Camping Business ,Long Lasting

: The 50-inch ALR screen provides 6x gain than the white wall and 3x than traditional white fabric screen in complex ambient light environments; level up your viewing experience 6 times with the same projector. <85% Rejecting Ambient Light>: ALR portable projector screen absorbs 95% ambient light and effectively rejects 85% ambient light, allowing you to enjoy your projector any time of the day, without the hassle of darkening your curtain. <4K Display Supported>: ALR portable projector screen applies advanced PET material which gets rid of the rough texture; for 4K projection, 3D projection, without details loss compared to the white wall or white fabric texture. : Applying the latest ALFA advanced technology with a 7-layer optics precision structure, which draws experience from Semiconductor technology, providing a vivid, faithful, and uniform brightness image projection.