The Rolleramic comes in sizes through 20 x 20' or 25' diagonal to accommodate large presentations. All-wood case may be recessed in the ceiling or painted to match its surroundings. The viewing surface is concealed when not in use; lower it to any position at the touch of a switch. The direct drive module is mounted on rubber vibration insulators. Your choice of a conventional viewing surface: fiberglass matt white, glass beaded, High Contrast Grey or optional Panamax viewing surface.