Black and Decker Office LED7BAR-BLK PureOptics Exalt Bar 5W Flicker-Free Natural Daylight LED Desk Lamp with USB Charging Port, 4 Dimming Levels (306 Lumens), 19" x 13.5" x 6", Black/Gray LED simulates natural daylight for reduced eye strain and reveals rich, true-to-life colors PureOptics&#8482; LEDs uses up to 85% less energy than incandescent bulbs and lasts up to 15 years Flicker-free, extra-wide light zone that is glare-free, shadow-free, and halo-free Easy One Touch Control: one tap powers the lamp on to your last brightness setting, and a light press and hold flips through three dimmable brightness levels Features easily accessible USB charging port