This BLACK BOX ICI208A 7 Port Isolated IND USB Hub expands one USB port into seven, so you can connect additional USB peripherals to your host system via its upstream port in areas with lots of electromagnetic interference (EMI) and prevent data errors caused by such interference.Technical SpecsHost Interface: USBTotal Number of USB Ports: 7Form Factor: ExternalOverall Size: 1.4″ x 8” x 4.8”Operating Temp: -40 to 176° FPower: Input; External 10-30-VDC Power Supply* (via a terminal block or locking barrel plug input); Output: 5 VDCUSB Interface ESD: 15 kV (air), 8 kV (contact)USB Interface Surge Protection: +/- 0.5 kV (DC ports), +/- 1 kV (signal ports)Max USB Speed: 480 Mbps No Shipping to Alaska or Hawaii. No drop shipping. No shipping to alternate address. We only ship to the address as given to us by eBay. The shipping price listed is the price to ship this individual item to a residence or a business. If you are a multiple auction winner, we will gladly combine shipping. Check out our other auctions as we generally have many interesting or rare items. If you do have multiple winning auctions, please send us a message before you make payments so we may properly invoice you for shipping. We are generally available 8am-5pm Central Time Monday through Friday to answer questions. Thanks for looking, and happy bidding. RW Rack K