Features 1、No Screen Flicker: The computer display desk lamp adopts scientific optical design to illuminate only the keyboard area, which can effectively reduce screen reflection .48pcs premium LED lamp beads, asymmetric light source, energy saving, soft and even light, wide range of illumination, reduce the harm of blue light, and protect your eyes from harm. 2、15 Lighting Modes: The computer light bar can be easily switched between 3 brightnesses and 5 colour temperatures (3000K‑7150K) with a key, with a colour rendering index ≥90, which can create more desktop ambience.15 lighting modes are flexible and convenient, allowing you to easily combine the lights in different environments, which can satisfy your daily lighting needs. 3、USB Powered Display Light: Our computer display screen light bar can be powered by plugging the USB plug into your computer, mobile power, power adapter (5V/1A) and other USB devices. Plug and play, USB cable length: 78 inches.USB powered display light with key switch, perfect solution to the problem of touch switch insensitivity. 4、Save Desktop Space: The computer lamp bar is designed with a knob clip, which can be stably placed on the top of the display and won't fall off due to accidental touching. Compared with traditional LED desk lamps, this light saves more than 50 percentage desktop space.LED screen light bar can be clamped on screens up to 0.4‑2 inches in thickness. The light bar can be adjusted up and down by 90° to adjust the lighting angle. 5、Widely Application: The computer display light bar housing is made of premium aluminium alloy material, which is lightweight, reliable, stable and unbreakable, and can be used for a long period of time. Wide range of colour temperature can meet the needs of different scenes. Suitable for office, home study, reading and gaming. Display LED strip length: 16.5 inches, suitable for most computer display and laptop. Specification Item Type: Laptop Light Bar Material: Aluminum Alloy Color: Black Size: Approx. 420 x 102 x 54mm / 16.54 x 4.02 x 2.13in Power: 5W Voltage: 5V/1A Power Interface: USB C Light Source: LED Asymmetric Light Source Color Temperature: 3000K-4050K-4450K-4900K-7150K (Five colors adjustable) Dimming: Three gear Dimming Switch Type: Touch Features: Sedentary Reminder Mode, Asymmetric Eye Protect Package List 1 x Laptop Light Bar 1 x USB Cable 1 x User Manual