USB-connected clip-on desk lamp, ScreenBar in black. - Model Name: ScreenBar - Color: Black - Power Type: USB connection - Mounting Type: Clip-on Thank you for viewing. Finish Type: Matte Base Material: Metal Product Dimensions: 51 depth x 5 width x 5 height cm Item Weight: 0.53 kilograms Lamp Type: Desk Stand Shade Color: White 【Automatic Dimming】: Thanks to the built-in light sensor, the brightness level of the ScreenBar e-book reading lamp automatically adjusts. You can also manually control the dimming with the touch sensor. 【Mood Lighting - 8 Color Temperatures & 14 Brightness Levels Adjustable】: Color temperature is also adjustable, providing concentration and comfort. There are 8 color temperatures to choose from: 2700K warm light, 4000K natural light, and 6500K white light. Relax with warm light color temperatures and improve work concentration with cool light color temperatures. The central illuminance is 900 lux or more, providing 500 lux of illuminance over a 61*30cm area. 【Space Saving】: Specially designed clip attaches to the top of the monitor for stability. Please refer to the monitor thickness of 1cm to 3cm. Please clip it firmly to illuminate the light correctly and get the best experience. The clip is a hook-on type and supports monitors with a top bezel width of 8mm or more. It may not be available for edgeless or curved monitors. USB power is supplied, and it can be used simply by connecting it to the USB port of a monitor or computer, or a mobile phone charger, without increasing the number of outlets. 【Screen Reflection Control】: The asymmetrical optical design eliminates reflections from the screen, preventing glare. The angle of the light can be adjusted, designed to prevent light from entering the eyes. [Note] To ensure the product works correctly, use a power supply that can supply a voltage of 5V and a current of at least 1A.