Lightweight, mobile AV cart with collapsible design that is perfect for rental and staging to corporate applications. Shelf accessory must be ordered separately, PAC710 height-adjustable accessory shelf shown. MFCUB and MFCUS ship with a universal interface bracket. MFC6000B and MFC6000S require an MSB interface to be purchased separately. ClickConnect technology provides an audible click to confirm that the flat panel is locked in place. Screen can be installed in portrait or landscape orientation (MAC400 accessory can be used to rotate without removing the screen).