Feature: 1. USB powered, it can be recharged by computer or laptop, convenient to use. 2. Adjustable LEDs lighting angle with 64pcs LEDs which are no radiation, flicker-free, eye-protective. 3. 10 Levels adjustable brightness, 3 light colors changeable freely and 8X magnifications lenses meets your different requirement in various occasions. 4. Stretchable tube enable you to extend the illumination area and adjust the light position as you need. 5. Nice for those who need suitable lights for reading, studying or wants to bring it with you. 6. Great magnifying tool for printing, machinery, carving, gardening, collecting coins and stamps, etc. Specification: Specifications： Input voltage: D C 5v 2a (USB port) Rated consumption: 10-12w Light source: LEDs Quantity of LEDs: 64 Light colors: White, Warm White, Yellow Lens: 8X Lifespan of LED: 30,000 hours Item color: White Material: Aluminum alloy Size of Lens: Outer (Φ165mm), Inner (110mm) Cable length: 1.2 meters / 47.2inches . Package List: 1 * Table lamp Note: This product is non water proof，please use it carefully.