Features: 1.Memory Function: After power on, the laptop keyboard light restores the brightness and color temperature settings you last used, which can light up areas of the screen. 2.Adjustable Brightness and 3 Color Temperatures: Our monitor light bars offer 10 different brightness options (from 10 percent to 100 percent ). 3 levels of color temperature. 3.Eye Protection: With asymmetric optics and suspension design, it emits uniform, soft, and flicker free light, which can relieve eye fatigue. 4.Space Saving: Space saving, ultra lightweight, can be used with your laptop screen light anywhere in your car, coffee table, bed, or even on your lap. 5.USB Powered: Any USB outlet can power the electronic reading light, whether it's a computer, phone charger or power bank. specification:Item Type: Laptop Monitor Light Bar Material: ABS, LED Model: for JD A1 Colour: Black Function: Eye Protection Reading Scope of Application: Laptops Lighting: Three Color Warm Light Interface: USB PackageList:1 x Laptop Monitor Light Bar 1 x User Manual 1 x Storage Bag