The TL-PA4020PKIT turns your homes existing electrical circuitry into a high speed network with no need for new wires or drilling. No configuration is required, simply plug your adaptor into a power socket and you can establish networking infrastructure in a flash. Best used with HD video streaming, online gaming, VoIP or any other bandwidth intensive tasks for work or play. Compatible with All Powerlines with HomePlug AV standards. Transfer speed up to 500Mbps. Weight 0.34kg. Size L9.5, W4.2, D5.8cm. Manufacturers 3 year guarantee.