The 80" Manual B Series 16:9 Pull-Down Manual Projector Screen from Elite Screens is a UHD 4K, Active 3D, and HDR-ready rugged pull-down screen for home cinema, office, education, or business use. Whether wall or ceiling mounted, this screen will automatically lock in any position by using the included pull lanyard. The viewing angle of 180° makes it viewable from just about anywhere in the room.