,One touch sit and stand function ,Innovative one touch height lock mechanism ,Durable gas spring for even girl to easily adjust height ,Can be used as monitor riser at lowest position ,Space well management both above and under the desktop ,Keyboard tray can be used at any comfortable position to maintain ergonomic spacing between screen height and keyboard ,Keyboard tray can be raised to the same level of desktop ,Our products performs very good in stability and adjustment, Sturdy structure with no wiggling when height adjusted and used , Widely used with laptops, AIO computers, or multiple monitors