*Housing Case:Plastic
*LEDs:1 x Power on / 4 x Status
*Power Consumption:5.0V,
*Ports:4 downstream
*Operating Temperature:20 to 50 degrees (Celsius)
*Storage Temperature:0 to 70 degrees (Celsius)
*Operating System Support:Windows®, 98SE, 2000, ME, XP, Vista , MAC OS 8.6 or greater
*USB Specification:USB 1.1 and 2.0 compliant
*Transfer Rate:480 Mbps
*Humidity:20-80% RH, (Non Condensing)
*Cable Length:4 ft. (.1.2 m.)
*Power Connections:DC adapter (Optional)
*Cable Connections:Hi-Speed USB Type A (female)