Free up worksurface space and set your laptop in a comfortable position for improved ergonomics using raised laptop tray. Flexible mounting location on worksurface—clamping system allows placement of laptop anywhere along back-edge. Integrated laptop security system offers theft deterrence as well as stability against unintentional bumps through unique bracket-lock holder. Supports laptop with or without extended battery. Manually adjust height through to 7" range. Includes laptop riser and clamp, notebook security bracket, penta tool. Compatible with most laptops with screen sizes up to 18 1/2 inches. Maximum outside width of laptop = 18"; maximum thickness of laptop screen = 1.1" Durable, easy-to-clean exterior composed of high-grade plastic and powder coated painted steel.