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 Contrast Grey or acoustically transparent AT1200 or AT Grey.