Computer Monitor Light: It has an asymmetric optical design, which only illuminates the table, not the screen, more eye protection. Unique Design: Space saving breakthrough design is installed on the top of the monitor to save space for your desk. Feature: Timed 1 hour to turn off. Dimmable, 10 levels of brightness adjustment and five color temperature adjustment for different needs to protect your eyes and for home office, study, gaming. Built in 84 high quality lamp beads to reduce blue light and flicker hazards. USB Monitor Light: USB powered, suitable for computer monitors. Durable Material: This computer light bar made of high quality PP material, lightweight and solid. The clip design can be easily easily attached to your monitor. Specification: Material: PP Model Number: Computer Light Bar Size: 50cmx1.5cmx3.3cm/19.69inchx0.59inchx1.30inch Package Includes: 1 Computer Monitor Light 1 USB Cable 1 Manual