Clip-on design for easily applied where you needed. 360 degree free twisted tube and 3 levels brightness, can be bent to direct lighting just where you want.   Specifications: Material: ABS & PS Color: white Input: DC 5V/0.5A Rated powers: 4W Light source: 18pcs * 0.2W Luminous: 210lm Color temperature: 4250k CRI: ＞Ra80 Batterys: built-in 3.7V / 500mAh Li-ion Charging time: approx. 2h Working time: 2-5h Lifespan: 25,000h USB cable: approx. 1m / 3.28ft Item weight: 118g / 4.16ounce Item size: 110 * 55 * 400mm / 4.33 * 2.17 * 15.75in Package weight: 180g / 6.35ounce Package size: 90 * 80 * 145mm / 3.54 * 3.15 * 5.71in Notes: 1. Please allow 1-10mm error due to manual measurement, thanks for your understanding! 2. Item color may show slight aberration due to different shooting light and monitor display. 3. Pls read the user manual carefully before use and keep it for future reference. Package List: 1 * Table Lamp 1 * USB Cable 1 * User Manual