Features84\" diagonal 16:9 manual pull down screenWall and ceiling mountableLimitless screen positioningSlow retraction mechanismSquare-shaped aluminium casingThis manual Optoma 84\" 16:9 Pull Down Screen is easy to operate making it a great addition for creating your own home cinema. It comes in a sleek white square-shaped aluminium casing that can be easily mounted to a wall or ceiling and can be hidden behind a custom enclosure. It can also be used in meeting rooms, classrooms or other spaces where a blank wall is unavailable or walls are not flat.