4 BRIGHTNESS LEVELS: Maximum of 1180 Lumens
ADJUSTABLE: Holds reference material and electronic devices for easy visibility while you work
EYE CARE: See every color accurately and details clearly with reduced glare and eyestrain
ENERGY SAVING: Energy efficient LEDs rated to last up to 40,000 hours
BUILT-IN USB: Includes 5V, 2.1A USB port - fully charges tablets, phones and more!