Touch-activated wheel for precision color selection. The strip then changes color to provide brilliant accent lighting at 550 lumens. Incorporate this RGB lamp in your dorm room for extra brightness and character, or on your bedside table for fun illumination. There are three brightness levels to choose from with the dimmer function so can rest with the perfect amount of light. The lamp head and arm are fully adjustable to obtain the perfect light zone. The best part? There is a USB port built in so you can charge your phone at an arm's length away! This lamp uses 10 watts of power and use LEDs that requires a whopping 85% less energy than incandescent.