1. Dual Monitors Computer Switch for 2 Computers: allows 2 computers sharing one set of keyboard & mouse, 2 monitor, and 1 pcs USB 3.0 peripheral device. With a USB 3.0 Hub port, digital display. (Tips: This KVM switch without simulation EDID function, and it required each of your computers with multi graphic-card output. If your computer only with 1 video output, that only 1 monitor have display.)