Description: No screen glare: It has an asymmetric optical design, which only illuminates the table, not the screen, and avoids reflected glare. 3 Color Termperature, 300k,4000k,6500k, 10 Brightness Adjustable. Easy to install and use: No screws or tape are needed to damage the monitor. The clip is suitable for any monitor with a thickness of 0.12" to 0.39" (3-10mm). The lamp can be used with a computer USB port, a mobile power supply and Other DC5V electronic devices with USB sockets. Save desktop space: The space-saving design makes your computer monitor light steadily located on the top of the display, saving valuable space on the desk, very suitable for limited working space in the office or home. Lamp is the ideal choice for watching movie, studying, office, readling book, working, painting, gaming etc. Specification: Material: ABS Colour: Black Size: 40cm / 15.75 m(Lamp), Wire: 80cm/31.50inch Normal white, warm white, natural white three colors (adjustable) Package Includes: 1 Piece Computer Monitor Light 1 Piece Pouch 1 Piece Instruction Book Note: Conversion: 1inch=2.54cm, 1cm=0.393inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!