TP-LINK's AV500 2-port Powerline Starter Kit, TL-PA4020 KIT, turns your existing powerline into a high speed network with no need for new wires or drilling. No configuration is required, simply plug your adapters into your power sockets & you can establish networking infrastructure in a flash. With a speed of up to 500 Mbps, TL-PA4020 KIT transmits HD streaming & even 3D movies to every room, making it a great choice for an easy to build multimedia entertainment network. Up to 500 Mbps for up to 300 Meters With advanced Home Plug AV technology, TL-PA4020 KIT provides users with stable, high-speed data transfer rates of up to 500 Mbps on a line length of up to 300 meters. Together with its built-in AES encryption, the TL-PA4020 KIT is a great choice for a whole home solution to connect all network compatible devices, from computers & game consoles to set-top boxes for IPTV, printers & NAS hard drives. HD Streaming Up to 500 Mbps powerline speed ensures smooth HD streaming. Reduce Power Consumption by up to 85% The TL-PA4020 KIT, a new-generation Powerline Adapters, with its practical design & sophisticated Power-Saving Mode consumes less power when compared with existing Powerline Adapters. When there is no data transmission or reception occurs over a certain period of time, it will automatically switch from its regular " Working" Mode to " Power-Saving" Mode that will reduce its energy consumption by up to 85%*. * Actual data will vary because of the network conditions & environmental factors. Plug & Play You can set up a hassle-free powerline network within minutes with TP-LINK powerline adapters, just plug in & play. Also, the adapters' " Pair" buttons can be utilized for securing or managing multiple powerline adapters in your home powerline network. * Note: Powerline adapters must be deployed in sets of two or more. Support Qo S for Advanced Multiple-media Optimization The Quality of Service (Qo S) function pr