Features: 1. 10 DIMMING LEVELS 3 COLOR TEMPERATURE: Wire switch control. Adjustable color temperature to provide focus and comfort. Warm light for relaxing, cool light for work efficiency. 2. NO SCREEN GLARE: Its asymmetrical optical design only illuminates the desk and eliminates reflective glare off the screen. 3. USB POWER SUPPLY: Any USB socket can power the LED task lamp, whether it39;s a computer, a mobile phone charger or a mobile power source. 4. EASY TO SET AND USE: Just clamp without tools. Compact and portable body for easy carrying and convenient use. Suitable for 0.12-0.39/3-10mm screen in thickness. 5. PERFECT FOR watching videos, gaming, office working, reading, studying, design, etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Product power: 3W Input voltage: 5V Beam angle: 90° Power supply: USB, 5V/1A or 2A mobile phone charger Color temperature: 3 colors Size: As the picture shown Color/Style: As the picture shown Package List: 1 x Monitor Light Bar