Features: Designed with 64pcs flicker free, no radiation LEDs light source, eye-protective. 10 Levels adjustable brightness, 3 light colors changeable freely meet your different requirement in various occasions. Convenient USB charg-ing and clamp-on design, easy to plug into any available USB port for lighting. Equipped with a 8x magnifier for printing, machinery, carving, gardening, collecting coins and stamps, etc. Powered by USB port, desktop or laptop, convenient to use. Max. 60mm / 2.36in clip width to fit on most table desks. Suitable for used at home and in office for reading, working, making up and as a night lamp. Specifications: Material: aluminium alloy & ABS Color: Black Input: USB DC5V/2A Wattage: 12W Light source: 64LEDs Luminous flux: 1200lm Light color: 6500k cold white, 4000k natural white, 3000k warm light Brightness: 10 levels CRI: Ra85 Magnifier: 8x Cable length: 1.4m / 4.6ft Clip width: max. 60mm / 2.36in Lamp inner diameter: 105mm / 4.13in Lamp outer diameter: 160mm / 6.3in Focal length: 150mm/ 5.9inches Holder length: 250mm/9.84in + 250mm/9.84in Package weight: 858g / 1.89ft Package size: 300 * 250 * 50mm / 11.81 * 9.84 * 1.97in Packing List: 1 * Lamp 1 * Clip 1 * User Manual