Model : EzeeHUB.4PHousing Case : PlasticLEDs : 4 x StatusPower Voltage : 5.0VPorts : 4 x USB 2.0 PortOperating Temperature : 20 to 50 degrees (Celsius)Storage Temperature : 0 to 70 degrees (Celsius)USB Specification : USB 1.1 and 2.0 compliantTransfer Rate : 400 Mb..