USB Powered Computer Monitor Lamp Screen Bar Light

This bar light can be installed on computer monitors for lighting with color temperature and brightness adjustable can increase focus and comfort and to protect your eyes.Features:3 lighting color adjuatable and you can adjust the brightness to meet different needs.Adopts asymmetric light path design only illuminates the desktop space.Reduces screen reflection and effectively protects the eyes.USB powered easily charged by computer mobile phone adapter or a power-banks.Just clip the loght on top of the computer screen and do not need screws or tape.The stretchable holder can be applied to computer monitors with 10-35mm.Specifications:Material: ABS aluminumColor: blackInput: DC 5V 1-2ALight color: white(6500k) warm white(2700-3000k) natural light(4500k)Brightness: 10 levelsLuminous: 500lmLifespan: 50 000hCable length: 2.1m / 6.89ftLight length: 400mm / 15.748inPackage weight: 495g / 1.09lbPackage size: 435 * 135 * 50mm / 17.13 * 5.31 * 1.97inPackage List:1 * E-Reading Light1 * Holder1 * User Manual