MI-7962 desk converter works out of the box on top of your existing desk. The powerful electric motor adjusts the height from 6" all the way up to 19.25." A spacious tabletop measures at 48.5," and the keyboard tray measures at 35.5" across so you can use keyboard and mouse side-by-side, two monitors, laptop, tablet, and more. Increase your efficiency by adding a dual monitor mount to this desk to free up even more space. Weight capacity: Up to 33 lbss ,Tabletop dimensions: 48.5" (W) x 23.25" (D), Keyboard tray dimensions: 35.5" (W) x 7.5" (D).