No matter whether you are sitting or standing, it can always adjust the most suitable position to you! Using the gas spring arm to adjust the height, you can easily change into standing or sitting mode, revolute your work experience, help reduce strain on neck, waist and shoulder. There is a convertible VESA in package that can switch your laptop tray into monitor conveniently. This product can be used in all kinds of desks with edge thickness between 0.6"-2.36"(1.5cm-6cm), desktop perforation installation minimum diameter of 2.36"(6cm).