The Ergo D-Pro Notebook Stand has multiple tilt positions to hold your notebook in a vertical position to allow the notebook LCD to be used as the display.With the addition of a module support the notebook stand can also support OEM docking stations in the upright configuration. Additional features include a compartment that can store a mobile docking station or USB hub and a document holder which is positioned directly in front of the notebook user. A rotating base is also included to allow you to share your notebook screen with someone sitting next to you.