Fits 13' To 50' TVs: Compatible with most 13' to 50' screens weighing up to 44 lbs with VESA patterns of 75x75, 100x100, 200x100, or 200x200mm. Holds most LCD, LED, OLED, 4K, Smart, Outdoor, Flat, and Curved TV types Mobile Trolley Cart: The 20 x 18 base features 4 wheels providing smooth mobility on both hardwood and carpet floors. The 2 front wheels are lockable to make the cart stationary when desired