TP-LINKs powerline adapter TL-PA211 takes advantage of your homes existing electric wires to transfer data while transfering traditional power. That means, with no additional wiring required, users can simply plug the TL-PA211 into existing power sockets & establish networking infrastructure in a flash. With high-speed data transfer rates of up to 200 Mbps, you can enjoy HD video streaming, online gaming, Vo IP or any other high bandwidth intensive tasks all at the same time now. Home Plug AV standard compliant, high-speed data transfer rates of up to 200 Mbps Super small design with a new exterior, blends indiscreetly in front of any power outlet No new wires, Easy Plug & Play operation, No configuration required Patented Power-Saving Mode automatically reduces power consumption by up to 65% Please note: networking components such as Powerline adapters require that all adapters must work within the same Home Plug standard to remain compatible, for example Home Plug AV (HPAV) adapters with communicate with other HPAV Powerline components, regardless of whether they are 200 Mbps or 500 Mbps. Older 85 Mbps adapters work on the different Home Plug 1.0 standard & are not compatible with Home Plug AV adapters. All Powerline products will connect to any switch or router Ethernet port. Powerline adapters can be used with extension leads (except surge protection ones), & will work across different ring mains so long as they share a common fuse box.