The Greathtek KVM Switch USB 3.0 Dual Monitor is a versatile device that allows you to easily switch between two 4K monitors at 60Hz with its HDMI 2.0 connector. This gray-colored switch is powered and comes with a 1-year manufacturer warranty. Made by GREATHTEK, this KVM switch box is compact, measuring 5" in length, 2" 1/2" in width, and 1" 1/4" in height. Additionally, it supports universal compatibility and has an output voltage of 5V, making it a reliable choice for your computer setup.