[Dual Monitor KVM Switch]Th is dual display KVM Switch allows you to use a set of keyboard and mouse to control 2 computers, share 4 USB devices and 2 monitors and support copy mode and extension mode (requires your computer to have 2 HDMI port). [Stunning Visual Effects] Supports resolutions up to 8K@60Hz and 4K@120Hz, providing an incredible viewing experience with stunningly lifelike images and vibrant colors. It is also backward compatible with 4K60@Hz, 1080P 3D or lower resolutions for compatibility with various HDMI devices. [USB 3.0 Switch] Has 4xUSB 3.0 ports, the data transfer rate is up to 5Gbp/s, which is 10 times faster than USB 2.0 ports. And backward compatible, can be used to share USB devices, such as: such as printers, scanners, keyboard and mouse etc. Support various operating systems, such as Windows/Vista/XP and Mac OS, Linux and Unix. [2 switching methods] Supports panel buttons and external wired controller switching, one key to switch between two signal sources.