The PowerLine AV Ethernet Adapter lets you turn your existing powerlines in your home or office into a high-speed network without drilling holes through the wall or climbing through the attic to install network cables. Use the wires that are already running through the building. Interface Ethernet devices to the HomePlug AV PowerLine network simply by pluging in the PowerLine AV Adapter into the wall and connecting your Ethernet-equipped device to the Adapter using the included cable. Turn your whole house into a network infrastructure. Attach more computers to the network by simply plugging them into the wall using more PowerLine AV Adapters. Share resources like printers and storage space with all kinds of music, digital picture and document files. 200Mbps data rates can play lag-free head-to-head network computer games and run media-centric applications like streaming video and Voice over IP telephony. The Linksys PowerLine AV Ethernet Adapter is the perfect solution for high-speed, no new wires, home or office networking. One AC Plug, 100-240V, 50-60 Hz Dimensions - 4.0 x 5.5 x 2.0 inch Weight - 4.80 ounces (136 grams)