4-Port USB 2.0 Automatic Printer Switch GUB431 IOGEAR's USB 2.0 Automatic Printer Switch allows four PCs and / or Macs to share one printer or multi-function printer. Simply submit a print job and the printer automatically* switches to the preferred computer. The switch also enables four computers to easily share one external hard drive, scanner, or any USB device. No more plugging and unplugging between computers. Features Automatically* switch from one computer to another when connecting to a USB printer or multi-function printer Simply press a button to switch a USB device between computers - No software installation required Active-port LED lights indicate which computer has access to the USB device Switch-lock function prevents other users from switching the USB device and ensures data access consistency USB 2.0 support with data transfer rate up to 480Mbps and USB 1.1 backward compatible No external power supply needed Warranty: 3-YEAR Specifications Function GUB431 Computer Connections Direct USB Type-A Connectors Console 1 Device Side 4 Environment Humidity 0-80% RH Operation Temperature 41 to 104 degree Fahrenheit Storage Temperature -4 to 140 degree Fahrenheit LEDs Port Status Green - Online / Orange - Locked Host Status Orange - Online Operating System Support Windows ZP and above; Mac: 10.4.5, 10.5 and above Power Consumption DC 5V, 2.5W Power Supply USB Bus powered Dimensions GUB431 POP Information 10'' Peg Hook 4 6'' Peg Hook 3 Unit Dimensions Width 4 Height 3 Depth 1 Unit Package Dimensions Width 6 Height 7.25 Depth 2.25 Master Carton Width 8 Height 7 Depth 15 Master Carton Qty. 6 Weight Master Carton Wt. 5 lb. Unit Pack Wt. 0.7 lb. Unit Wt. 0.2 lb.Requirements Windows XP, Windows Vista 32-/64-bit, Windows 7 32-/64-bit Mac OS X v10.3.5 or later Available USB port (USB 2.0 port for High-Speed mode) Package Content 1 x USB 2.0 Auto Switch 1 x 6 ft. USB A-B Cable 1 x User Manual 1 x Application CD 1 x Registration / Warranty Card