The D-Link KVM-221 2-port KVM switch with VGA and USB ports allows you to manage two computers with one monitor, one keyboard and one mouse. The KVM-221 requires no driver installation and no external power adapter connection. This KVM switch supports hot-plugging - you don't need to turn your computers off before installing the device. The KVM-221 allows you to switch between computers quickly and easily using the buttons located on the top panel, keyboard hot keys or smart desktop controller. The KVM-221 supports autoscan mode, which provides automatic switching to the next PC after the scan interval expires. This device is equipped with two built-in KVM cables of 1.4 m length with VGA and USB connectors.