This is a new kit in opened box

This item

• Use your existing powerlines to network your computers and other devices
• Share files, printers, storage, and networked games throughout your home -- connect it to a router to share your Cable or DSL Internet connection
• Easily add more devices to your network by plugging additional adapters into electrical outlets
• HomePlug AV technology for data rates up to 200Mbps
• Kit includes one single-port and one four-port adapter, CD