... floor projection screen 1) Aluminum casing 2) with CE ROHS UL 3) Lightweight,self-contained in aluminum high-quality ... : Matte white:brightness>1.0,Visual angle>100,fire resistance accord with international standardGlass Bead:brightness>2.8,Visual ... angle>30,fire resistance accord with international standardSoft metal:brightness>3.0,Visual angle>30,fire resistance accord with international ...