Draper Access 104311L Electric Projection Screen - 137" - 16:10 - Ceiling MountOverview Specifications Motorized ceiling recessed projection screen. The extruded aluminum case is UL approved for use in environmental air space. Features ceiling trim flanges, prewired junction box, and movable brackets for a smooth operation. Viewing surface and roller can be installed at the same time or can be added quickly and easily, without tools, at a later date. Your choice of a conventional viewing surface: Matt White, Glass Beaded, High