1.Stepless Dimming & Adjustable Color Temperature: This screen light bar features color temperature and brightness adjustable to provide focus and comfort warm light for relaxing, cool light for work efficiency. It can be switched between infinitely brightness levels (5-) and 5 color temperatures (2700K-7500K) through buttons. A sensitive touch sensor brings a smooth control experience. 2.Eye Care: No Screen Glare & Flicker Free: The asymmetrical optical design ensures no screen glare and is flicker-, creating a comfortable and natural lighting environment for office working, home studying, reading, and gaming. 3.Simple Installation: Without any tools, just clip the desk lamp on the screen. It is suitable for 15-22'' flat monitors with a thickness of 0.5 to 1.4 inches, not recommended for use on laptops and curved monitors. 4.Space Saving: More Space for Your Desk: The clip design mounts on top of the computer monitor, saving more than 50% of desk space compared to traditional desk lamps.