Description: Bring colors and texts to life with PureOptics LED lighting technology: experience improved clarity, higher contrast, and true, brilliant colors. With a 10 watt, 486 lumen output that is ideal for large desks and work areas, the lamps simulation of natural daylight reduces eye fatigue while the 5 5-Diopter, optical grade magnifying lens provides exceptional enhancement. Refreshing white light is flicker-free and glare-free and can be easily adjusted to one of five dimmable lighting levels for individual preference. Uses 85% less energy than comparable incandescent desk lamps, and also conveniently features an integrated USB power port for easy device charging. Clamp Mount and Through Mount adapters available (not included).