The white Ergotron WorkFit-TL Sit-Stand Desktop Workstation quickly converts your table into a sit and stand workstation with no mounting required. This standing desk solution sits on your desk and raises your monitor, keyboard, mouse, and notebook to 15" higher. It utilizes CF technology that facilitates in instant height adjustments with no cranks and motors to engage. You can use the hand-brake lever on either side to set it into one of the two positions. The WorkFit-TL will not tip over or fall off the desk while you lean on it. Furthermore, it moves straight up or down, always staying within the footprint of your desktop.