Part Of The Lorell Electric Height-Adjustable Workstation, This Sit/Stand Desk Frame Adjusts Quickly, Smoothly And Quietly With A Gentle Push Of A Button. Included Digital Display Controller Features Four Built-In Memory Modules. Adjustment Speed Is 1.3" Per Second. Sit-To-Stand Design Is Perfect Way To Increase Your Circulation, Comfort And Productivity. It Adjusts From 24" To 50" High. Maximum Capacity Is 275 Lb. Three-Tier, Extended-Height Base With Memory Controller Is Made With Two Square Column Legs And Standard 27-1/2" Feet For Added Stability On Tabletop Depths Ranging From 24" To 30" Tabletops (Sold Separately)..