Mount will hold up to a 61" TV (up to 600 x 400mm VESA and 100 lbs.) to make this the ideal choice for any size conference room or living room.Metal casters feature 4 large locking 2.5" rubber wheels. Easily rolls over most surfaces. Most other models use inadequate 2" wheels.19.9" x 11.8" height-adjustable metal shelf to hold your DVR or other electronic accessories (up to 10 lbs.).Allow for flexible height adjustment up to 67" to top of tv mount. Integrated cable management system for neat installation.Extra-heavy duty design is much sturdier than most other models and a wide-base offers stability when mobile or stationary .Our product comes with a Manufacturer limited 1 year warranty as well as a customer service and tech support team that is always ready to help.