Main Features of Leopard Series: The first front maintenance design for HD Indoor series in The world. The Galvanized oval iron on The back, all cylinder around The module. The Fast plug-in in/plug-in - out, Perfect 16:9 format, Four cabinets Screen is exact 55 "No need steel frame, mounted to the wall directly. The Real front maintenance; The Power supply and control card can be replaced in front after you attract modules out. The Light leak prevention design, flexible rubber around cabinets.; The Up/down/right/left adjustable. Use internal hexagonal wrench to adjust the pole to lock and locate the cabinet. The Backup for the power supply, control card, Automatically switch in case of breakdown. Well cared raised fin for creating module edge.Simple handle, can be pulled down. Top handle design, easy to carry. Applications: The office of the office of the general manager, the conference room, banquet hall and exhibition presentations,command and monitor system.