Thank you for viewing! The following is quoted from the sales site: Quntis Monitor Light Bar Light 40cm Monitor Hanging Desk Light Daylight/Daylight/Bulb Color Color Rendering Index Ra≥98 Illuminance ≥700Lux Stepless Color Temperature and Brightness Adjustment Eye-Friendly Space-Saving USB Compatible with Monitors 0.7-3.5cm Thick Basic L205-QU [Stepless Brightness Adjustment, Three Lighting Modes, Memory Function] Supports three lighting modes. Daylight 6400K (bright and improves work efficiency), Daylight 4200K (neutral color temperature, perfect for overtime work), Bulb color 3100K (soft light, perfect for online gaming), you can choose the brightness and color temperature depending on the usage scene. You can freely adjust the brightness with the touch sensors on the left and right of the bar light, meeting the needs of people in different environments. In addition, a memory function is added to remember your favorite color and brightness. [Controls Screen Reflection, Applicable to Various Monitors] The symmetrical light source of conventional desk lights reflects on the monitor and is not gentle on the eyes. The Quntis L205-QU LED monitor hanging light has a unique 45° asymmetric optical design, effectively relieving eye fatigue. Also, it can be easily installed on flat screens, irregular screens, and monitors with a thickness of 0.7-3.5cm in one second. [Space-Saving, USB Powered] Adopts a gravity rotating shaft fixing device, adjusts the fixing base to the optimal angle according to the thickness of the monitor (0.7-3.5cm), and hangs it directly on the monitor. It can be fixed in one second. [Ra95 High Color Rendering, No Screen Glare, No Blue Ray] Ra95 high color rendering LED lamps provide natural light similar to sunlight, allowing for more accurate color reproduction, faithfully reproducing the original colors of objects. It can be used for a long time without the dangers of blue rays or visible stroboscopic light. *This item is a beautiful/like-new item. We have checked it, but since it is stored at home, there may be minor, inconspicuous deterioration even if it is a new, unused item. Thank you for your understanding. If there is a problem, please contact us via a transaction message before evaluating the item. ☆ Immediate purchase is welcome ☆ We plan to ship via Mercari delivery ☆ Please note that the time slots for checking/replying to comments vary depending on the day.