First of Its Kind Fully Automated Desk - Its difficult to find the correct angle when you raise or lower your standing desk, for both typing and screen viewing, because it changes as your body changes positions. VIVOs ergonomic workstation lets you custom set BOTH your desk height and monitor height with electric adjustment at the touch of ONE button! (table top not included) Compatibility - Recommended table top sizes: length of 41 to 85, width of 23 to 44, and a thickness of 3/4 and greater (Actual Desk Frame Length: 40 to 61, Frame Height: 28.7 to 48.5). The electric monitor stand fits 20 to 32 screens weighing up to 22 lbs each with 75x75mm and 100x100mm VESA mounting patterns. The sturdy C-clamp installs to desks up to 3.35 thick.