LED Desk Lamp: This lamp has an asymmetrical optical design, so monitor light just illuminates your desk without flickering or glare. Even in dark environments, you can clearly see the letters on the keyboard, greatly improving work efficiency. Laptop Light for Video Conferencing: The USB Laptop Light can also be used as lighting for video conferencing. It can be widely used for remote work, video conference, zoo call, self broadcast, live broadcast, makeup, reading. 3 effect brightness bright: your comfortable desk or your reading. Warm lighting lets you relax and rejuvenate. 10 Different Brightness Levels: Each color mode offers 10 different brightness levels, adjustable at the end of the button. Like watching videos, creating reports and surfing the web. Portable and easy to install: the dimensions are 26 x 2 x 2 cm (10.23 x 0.78' x 0.78') and the total weight of the USB light is 140 grams. In addition, any USB outlet can power this laptop lamp. Easy to install, no screws or other parts needed, just place it on the center screen. So you can put a LED bar computer in your computer bag to take it with you. Note: The data is manual measurement, please allow 1-106cm error , due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.