1、Screen Glare and Flicker Free: The computer light bar features a scientific optical design that only illuminates the keyboard area, effectively reducing screen reflections and glare. With 48 LED beads and asymmetric light source, it saves energy, provides soft and uniform lighting, broad illumination range, and protects your eyes from harm. 2、15 Lighting Modes: Easily switch between 3 brightness levels and 5 color temperatures (3000K‑7150K) with 15 color modes to create various desktop atmospheres. With a color rendering index of ≥90, the flexible and convenient 15 lighting modes allow you to effortlessly combine different lighting environments to meet your daily illumination needs. 3、USB Powered Light: Computer screen light bar can be powered by plugging the USB connector into a computer, power bank, power adapter (5V 1A), or other USB devices. Plug and play with a 78 inch USB cable. The USB powered light features a convenient touch switches. 4、Space Saving: The computer light bar adopts a knob clip design that can be stably placed on the top of the screen, preventing accidental drops. Compared to traditional LED desk lamps, this light saves over 50% of desktop space. The LED screen light bar can be clipped onto screens with a thickness of 0.4‑2in and allows a 90° adjustable lighting angle. 5、Wide Application: Constructed with a premium aluminum alloy shell, the computer display light bar is lightweight, and long lasting. Suitable for office, home study, reading, and gaming, with a length of 16.5 inches, it fits most computers and laptops. Item Type: Computer Light Bar Material: Aluminum Alloy Color: Black Size: Approx. 420x99x53mm / 16.5x3.9x2.1in Rated Power: 5W Power Interface: USB C Light Source: LED Asymmetric Light Source Color Temperature: 3000K 4050K 4450K 4900K 7150K (Five Color Adjustable) Dimming: Three Levels Dimming Switch Type: Touch Function: Sedentary Reminder Mode, Asymmetric Eye Protection 1 x Hanging Light 1 x USB Cable 1 x Manual