Check the listing for details. IOGEAR 4-Port USB 2.0 Automatic Printer Switch, GUB431. Condition: New. Listed at 64.76 USD. IOGEAR 4-Port USB 2.0 Automatic Printer Switch, GUB431 ✓ Free 60 Day Returns ✓ Free Express Shipping Description: 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. Automatic switch function is software based and only available with USB printer or the printer function of a multi-function printer. For connecting and using other types of USB devices, you can switch by using the push-button on the USB switch or with the included software. Features: USB 2. 0 support with data transfer rate up to 480Mbps and USB 1. 1 backward compatibleAutomatically switch from one computer to another when connecting to a USB printer or multi-function printerSimply press a button to switch a USB device between computersSwitch-lock function prevents other users from switching the USB device and ensures data access consistencyNo external power supply neededBacked by IOGEARs 3-year and FREE lifetime technical support Product Details: Operation Mode: OFF-NONE-ONCurrent Rating: 5 AmpsOperating Voltage: 120 VoltsContact Type: Normally ClosedConnector Type: Plug InBrand: IOGEARSwitch Type: Push ButtonTerminal: ButtonItem Dimensions LxWxH: 1 x 4 x 3 inchesMounting Type: Panel MountOperation Mode: OFF-NONE-ONCurrent Rating: 5 AmpsOperating Voltage: 120 VoltsContact Type: Normally ClosedConnector Type: Plug InBrand: IOGEARSwitch Type: Push ButtonTerminal: ButtonItem Dimensions LxWxH: 1 x 4 x 3 inchesMounting Type: Panel MountActuator Type: Push ButtonContact Material: PlasticInternational Protection Rating: IP00Number of Positions: 4Specification Met: Energy StarLower Temperature Rating: 32 Degrees FahrenheitUpper Temperature Rating: 100 Degrees FahrenheitController Type: Push ButtonConnectivity Protocol: UsbColor: BlackUnit Count: 1.0 CountNumber of Items: 1Product Dimensions: 1 x 4 x 3 inchesItem Weight: 3.2 ouncesItem model number: GUB431Is Discontinued By Manufacturer: NoDate First Available: February 3, 2010Manufacturer: IOGearLanguage: English