OttLite brings you the only desk lamps designed to break down harmful microorganisms. Now you can have proven sanitizing power right at your desktop with SpectraClean™ visible light disinfection. Using a precise formulation, SpectraClean's patented technology has been shown to kill potentially harmful bacteria like those prevalent on mobile phones and desktops. Create a healthier workspace every time you turn on your light! Details: White 11" to 26" adjustable height Includes 5V, 2.1A USB port to fully charge smart phones and tablets 3 brightness settings Touch activated controls Patented SpectraClean™ Visible Light Disinfection technology Folds down when not in use