【Protect Your Eyes】The Eye-Caring Laptop Light Bar has an asymmetrical Optical design that only illuminates the keyboard and desk.It can eliminates the reflective glare off the screen found on most regular desk lamps. With high-quality LED beads, this e-reading lamp emits uniform, soft and non-flickering light, which can relieve eye fatigue and protect your eyes. | 【USB Powered & Memory Function】The e-Reading Lamp can be powered by any USB A or USB C outlet, whether the source is a computer, phone charger, or power bank.The Power-Off Memory Function will automatically restore the previous brightness and color temperature settings when powered again, No need to reset. | 【Adjustable Brightness & Color Temperature】Our monitor light bar has 3 preset brightness options (20% 、50%、100%) and 3 preset color temperature levels: warm light(2700K), mix light(4000K), white light(6500K).You can briefly touch to switch between preset modes or touch and hold for stepless adjustments.enable you to personalize the light source according to your different needs. | 【Easy to Carry and installation】The Usb lamp is specifically designed for laptop computers.It's 10” long, weight: 5.29oz, which is easy to carry! The Clip-on design, there is no need for screws that damage your laptop, fit laptop screens thinner than 0.4”.Only take one second, you can firmly install Monitor Light Bar on the top of the laptop ,saving valuable desk space! | 【Auto-Dimming and Distance adjustment Design】With a built-in ambient light sensor, our screen light bar intelligently adjusts the brightness to a comfortable level, according to the surrounding light throughout the day, keeping your eyes feeling comfortable.Patented lens optical design allows you to project light at close, medium, and long distances through preset modes, satisfying the needs for illuminating the keyboard, balancing the keyboard and books, and reading books respectively.