New choice projector screen for UST Laser projectors – The screen material with special optical sawtooth structure and the light-rejecting filter to give a stunning performance in CEILING AMBIENT LIGHT. Because the UST ALR material use a special optical serrated structure and a light suppression fitter; so the projected light will be effectively reflected to the viewer, and the ceiling light will be blocked or absorbed;(Not Compatible for the projector suspended installed!) Eye Protection feature & A fit for any room: Feast your eyes on awe-inspiring visuals with deeper colors; Projectors are able to produce much larger images, which put less strain on your eyes. In addition to this, projectors reflect light while TVs emit it. Reflected light is easier on your eyes, keeping your eyes comfortable without the added strain created by emitted light. you can enjoy a cinematic experience from the comfort of your own theater! Fast easy to Set UP & Space-saving Design – Plug in the power cord to achieve the installation in 1 minute! ; No screws necessary;Change any indoor viewing place with your mood! Electric Pop-up/Floor Rising series projector screen is a collection of premium retractable electric screens that VIVIDSTORM Unique Wire Tension Technology. Flatness like glass surface. and extend upward from the floor. when the screen is not used, just close it which makes it unobtrusive;