Features: 1.ASYMMETRIC LIGHT SOURCE: Screen light bar features a unique asymmetrical optical design that illuminates only your desktop and keyboard while ensuring no reflected glare on the screen. Sturdy but tactile, controlled by a touch switch. 2.EYE PROTECTION: Computer monitor light bar blocks bluelight and light radiation, effectively relieving eye strain and protecting your eyes. It is ideal for students, drawing designers, and business office workers. 3.3 COLOR TEMPERATURE ADJUSTMENT: Monitor lamp can be manually adjusted by touching the dimming key brightness and color temperature. 3000K?6500K touch three stage color temperature adjustment, warm and cold light switch at will. 4.SPACE SAVING DESKTOP: Computer monitor lamp can be powered by a computer, cell phone charger or mobile power. Fixed clip allows it to be mounted stably on top of the computer, saving desk space and creating a stylish work space. 5.40CM IN LENGTH: Screen monitor light bar comes with two adjustable covers of different thicknesses to fit the size of the monitor, and the screen light is 40cm long, perfect for 15?25inch monitors ranging from 0.6?1.4inch thick. specification:Item Type: Computer Monitor Light Bar Material: ABS, LCD Timer 60 Minutes Off Function, Infinitely Dimmable, Quick Reading Mode, Three Color Temperature Adjustment, Asymmetric Light Source, Type C Interface, With Button Indicator Switch Type: Touch Type Main Light Source: LED Color: Black Rated Power: 5W Rated Voltage: 5V 1A Luminous Flux (Lm): 167 Color Rendering Index: >80 Product Color Temperature: 3000K, 4200K, 6500K (Three Color Adjustable) Length: Approx. 40cm/15.7in PackageList:1 x ComputerMonitorLightBar 1 x Charging Cable 1 x Adhesive Backing 1 x Small Suction Cup 1 x Instruction Book NotePlease allow some error due to manual measurement.