Purchased in September 2024. Operation confirmed. No noticeable scratches. 【 Stepless Brightness Adjustment, Three Lighting Modes, Memory Function 】 Supports three lighting modes. Daylight White 6400K (bright, for improved work efficiency), Daylight 4200K (neutral color temperature, ideal for overtime work), Warm White 3100K (soft light, perfect for online gaming), allowing you to choose brightness and color temperature depending on the situation. You can freely adjust the brightness with the touch sensors on the left and right sides of the bar light, meeting the brightness needs of different environments. It also has a memory function to remember your preferred color and brightness. 【 Reduces Screen Reflection, Suitable for Various Monitors 】 The symmetrical light source of conventional desk lights reflects off the monitor, which is not good for the eyes. The Quntis LED monitor hanging light has a unique 45° asymmetric optical design, effectively relieving eye fatigue. It can also 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, adjust the fixing base to the optimal angle according to the thickness of the monitor (0.7-3.5cm), and hang it directly on the monitor. It can be fixed in one second. Powered by USB, it can be used by connecting to the USB port of a monitor or computer, or a mobile phone charger, without adding extra outlets. 【 Ra95 High Color Rendering, No Screen Glare, No Blue Light 】 Ra95 high color rendering LED lamps provide natural light similar to sunlight, which can reproduce more accurate colors and faithfully reproduce the original colors of objects. It can be used for a long time without the dangers of blue light or visible stroboscopic light. Package contents: Monitor light * USB C cable (the old version USB-C cable is nylon material, the new version is TPE material, both are genuine Quntis) * Instruction manual * 2 fixing bases. 【 Automatic Dimming, Mood Lighting, Reliable Service 】 Thanks to the built-in light sensor, the brightness level is automatically adjusted. You can also control the manual dimming. The color temperature is also adjustable, providing concentration and comfort. Relax with warm color temperature light and concentrate and improve work with cool color temperature light. If there is any problem with the product you received, we will do our best to assist you. *The order number serves as a warranty.