This 4 Port Dual DVI USB (Universal Serial Bus) KVM Switch allows four PCs, each with dual DVI displays, to share two monitors, one microphone (and set of speakers), one keyboard & one mouse as well as two other USB (Universal Serial Bus) peripherals. An ideal solution for graphic designers, CAD/CAM designers or educational & financial institutions, the Dual View KVM Switch means that you can instantly switch back & forth between PCs at the touch of a button while maintaining professional level video quality on both DVI monitors, in turn saving money by eliminating redundant peripheral purchases.