Below video link is the real Project effectiveness of ALR PET Crystal screen on light room (videos are feedback from our clients)
https://youtu.be/NCIpZA3qoNQ(Fengmi 4K +100inch)
https://youtu.be/qkp_22bP0zk(Wemax A300 + 100inch)
https://youtu.be/v4WnKowYUpE (Optoma P1 +120inch)
XY Screens 80-120inch UST ALR PET Crystal 
Ultra Thin Frame Projection Screen
With special sawtooth structure, the ultrashort anti-light screen PET Crystal can avoid 93% ambient light, presenting real color. Unlike traditional projection screen, it provides a huge, absolutely stunning and very "TV-like" image with your laser UST projector, even in a well-lit room. Customized size available(80-120 inch available, eg. 88 inch, 92 inch can be customized), perfectly fit your place. With 0.8 Gain and viewing angle is 160 degree, the audience can watch clearly in all directions. 
Product Description
Product Parameter:
Ratio: 16:9 
Structure:12mm Aluminum alloy Narrow frame screen
Fabric Material: PET fabric
Fabric Color: Dark Grey
Ambient Light Rejecting Ability: Excellent
Gain: 0.8
Applicable Projectors: Ultra Short Throw
Viewing Angle: 160 degree
4K: Yes
Size: 80"/90"/100"/120"