This adjustable desk lamp has a long-lasting, bright LED light. Light can be adjusted between high mode (150 Lumen) to Low mode (80 Lumen). The light itself can be adjusted to 3 different heights and different angles, so you can get light right where you need it. It includes a USB power cable so. and 4 AAA batteries. Use it anywhere! Grill light, desk light, reading light, for hobbies, and more. Light measures 3 inches wide x 12 inches high x 5 inches deep when fully extended.