1、Enhanced Efficiency: The KVM switcher can control 3 screens with one set of keyboard and mouse, while sharing 4 USB devices and 3 screens. Seamlessly switch between multiple monitoring screens for improved work efficiency. 2、8K at 60Hz HD Display: HD Multimedia Interface port supports up to 8K at 60Hz resolution, Displayport port supports up to 8K at 30Hz resolution, and is compatible with 4K at 240Hz, 4K at 120Hz, 4K at 60Hz, 4K at 30Hz and below. 3、Double Switching Methods: The KVM switch supports one touch switching and desktop control via panel buttons or wired remote. Easy operating with LED indicators to display connected computers. Easy installation and plug and play. (Shortcut keys switching is not supported) 4、USB 3.0: Equipped with 4 USB 3.0 ports supporting data transfer up to 5Gbps. The USB KVM switcher recognizes keyboards, mice, printers, scanners, and backward compatible with USB 2.0 peripheral devices. (Note: External 5V/2A adapter required for high power devices like hard drives.) 5、Plug and Play: Plug and play for double 4K screens, the switch is suitable for connecting to various input devices such as PCs, laptops, etc. Ideal for multimedia teaching, meeting rooms, and other applications. Item Type: KVM Switch Material: Iron Input Interface: 2 PCs (Displayport+Displayport+HD), 2 USB A (USB 3.0) Output Interface: 1 Displayport+2 HD (Screens) Additional Interface: 4 USB A (USB 3.0) HD: HD 2.1 (Supports 8K at 60Hz/4K at 144Hz) Displayport: Displayport 1.4 (Supports 8K at 30Hz/4K at 120Hz) USB A Transfer Rate: 5Gbps Compatible Systems: For Wins, for OS X, for Chrome OS and for Linux Computers 1 x Switcher 1 x Adapter 1 x Desktop Controller 2 x USB Cables 1 x User Manual