fast folding projector screen 1.Thickness:0.32mm 2.Width:2.20m-4.88m 3.View angle:110-160 4.Gain :1.0-2.4 5.Quality standard:Conform to ROHS,REACH,NFPA701. Product Characteristics anti-static, anti-mildew, fireproof, waterproof and anti-wrinkle etc. Operating temperature :-30º--+60º Application occasions: Applicable for 3D/4D cinema, Stage , media exhibition, disco center,theme park, science and technology museum, museum, planning pavilion,exhibition hall etc.