Features: 80pcs non-flickering LEDs , protecting your eyesight and reducing eye strain even for long times reading. 3500k-6000k 3 lighting modes-warm light/natural light/white light, each has 10 brightness level dimmable for your different needs. Flexible neck made of premium aluminum alloy material, allowing you to adjust the lighting angle with ease and to direct the light wherever you want. Convenient USB charging and clamp-on design, easy to plug into any available USB port for lighting. Light will be on your previous setting when turning on again to catch your lighting preference(will reset when the powers is off). Suitable for used at home and in office for reading, working, making up and as a night lamp. Specifications: Material: aluminum alloy & ABS Color: black Input: DC5V Power: 12W Light source: 80pcs 2835LEDs Luminous flux: 1000lm Lighting mode: 3500k-6000k 3 colors Brightness: 10 levels Beam angle: 120 degree CRI: ＞Ra80 Cable length: 1.2m / 3.9ft Clamp width: Max. 55mm / 2.2in Package weight: 750g / 1.7lb Package size: 420 * 150 * 45mm / 16.5 * 5.9 * 1.8in 1 * Desk Lamp