StarTech USB2002EXT2 2 Port USB 2.0 Extender over Cat5 or Cat6 - Up to 330 ft (100m) Type: USB 2.0 Color: Black Specifications: Enclosure Type: Aluminum and Plastic Max Distance: 100 m / 330 ft Maximum Data Transfer Rate: 480 Mbps AV Cabling: Cat 5 UTP Number of Ports: 2 Remote Unit Connectors: 2 - USB A Female Local Unit Connectors: 1 - USB A Male Power Adapter Included: Yes Input Voltage: 110 ~ 240 AC Output Voltage: 24 DC Output Current: 3000mA Center Tip Polarity: Positive Humidity: 10~90% RH Operating Temperature: 0 degree C to 50 degrees C (32 degrees F to 122 degrees F) Storage Temperature: -20 degrees C to 70 degrees C (-4 degrees F to 158 degrees F) OS Compatibility: Windows 2000/ XP(32/6-4bit)/ Server 2003(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2, Windows CE 6.0, and Mac OS X, and Linux Dimensions: 3.94 x 2.99 x 1.02