Product Description Material: PC and ABS Power: 5W Voltage: DC5V (USB port) LED Service Life: At least 100,000 hours Size: 26 x 2 cm Color: Black Key Features: 1. Eye Protection and Anti-Glare: The asymmetrical optical design of our e-reading lamp ensures precise illumination of your desk without causing glare. This feature protects your eyes and reduces fatigue, making it perfect for late-night work without disturbing others. 2. Easy to Carry and Space-Saving: The clip-on design allows for easy and stable attachment to your monitor without the need for screws or tape. A silicone pad on the clip prevents slipping and protects your computer from scratches. 3. Adjustable Brightness and Color Temperature: Customize your lighting with 3 color temperature levels: warm light (2800-3200K), white light (4000-4500K), and cold light (6000-6500K). Each level features 10 brightness modes, adjustable from 10% to 100%, with a 180-degree beam angle for optimal lighting. 4. USB Charging: Power the e-reading light through any USB port, whether its a computer, mobile phone charger, or power bank. The lamp also features a storage function that remembers your last used brightness and color temperature settings.