Tripp Lites 4-Port USB 2.0 Printer/Peripheral Sharing Switch lets you conveniently share a printer, scanner, external hard drive, etc, among four PCs. Quickly switch between computers using keyboard hot-keys, mouse, or manually. Plug-and-play functionality makes installation a breeze. Icon task bar indicates switch status at a glance, and LED's display which computer is active. Power drawn through the USB cables eliminates the need for seperate AC adapter. This product includes a 1-year limited warranty. Share one printer or other external USB device between up to four computers Supports data transfer rates to 480Mbps - Backward compatible to USB 1.1 Icon task bar indicates switch status Active LED indicator displays which computer is active No external power needed One touch switching via push-button, mouse, or keyboard hot-key 1-year limited warranty Applications Notebook and desktop computers System Requirements Windows 98SE/2000/ME/XP Mac OS X USB port CD-ROM drive Package Includes U215-0004-R 4-port Peripheral Sharing Device USB cable Software CD with user guide