Tensioning system provides an extra flat surface for optimum image quality.Allows the projection screen and video conferencing camera to be completely concealed when not in use.Designed to be recessed in the ceiling and includes a trim flange for a clean, finished installation.Shelf for the video conferencing camera lowers via arms behind the screen surface. The camera shelf includes a universal hole pattern for camera attachment and can accommodate cameras up to 12¼" wide x 8¼" deep x 7" high. When retracted, the screen surface and video conferencing shelf arms are completely concealed by closure doors, allowing the room aesthetics to remain undisturbed.