This ceiling mount uses a TV's natural center of gravity to provide a stable, durable installation. - Great for digital signage applications - Ceiling plate is required and must be ordered separately; vertical extension column may also be required for your installation. Features: - Centris Technology provides fingertip tilt for effortless screen adjustment - ClickConnect Technology provides simplified tooless latching with an audible click - Screen can be installed in portrait or landscape orientation ( PAC400 or MAC400 accessory can be used to rotate without removing the screen) - Full line of accessories available to accommodate almost any type of ceiling - Through-pipe cabling can be accomplished with the appropriate accessory (see CMA330 and CMS115) - PAC140 Q-Clamp accessory included