The Manhattan Hi-Speed USB 2.0 Automatic Sharing Switch easily allows two computers to share a USB device. It's ideal for home and office use where users need to share a USB cable modem, printer, digital camera, scanner, external storage drive or other peripheral. Use the convenient access-on-demand switching for activation with a single click of an onscreen button, or use on-board switches to manually select an active computer.Plug-and-play installation is easy with Windows systems. The Manhattan Hi-Speed USB 2.0 Automatic Sharing Switch requires no special drivers or external power supply. Connect using the included USB cables for fast access to popular devices.