Increase valuable desk space and easily adjust your monitor to reduce eye, neck and shoulder strain. Mounts via clamp or grommet. Single Arm. Effortless adjustment with innovative gas spring technology. Stay charged with two convenient USB charging ports located at the base of the product. Innovative cord management system reduces clutter. Meets VESA mounting standards. Height range from 5-1/3" to 16-1/2". Tilts -45 degrees to +45 degrees. Rotates 360. For monitors up to 20 lbs (27") on each arm.