TP-Link AV500 Nano Powerline Adapter, up to 500Mbps (TL-PA4010) Requires two Nano Powerline Adapter for usage This package includes only one adapter. Need to purchase the starter kit to receive two adapters 300-meter range over electrical circuitry for better performance through walls and floors Miniature design with compact housing (28.5mm thick) blends into existing room dcor Plug and Play, with no drilling, wiring, or configuration required Automatic Power-Saving mode reduces power consumption by up to 85% 128-bit AES encryption for network security and data protection Requires two Nano Powerline Adapter for usage 300-meter range over electrical circuitry for better performance through walls and floors Miniature design with compact housing (28.5mm thick) blends into existing room dcor Plug and Play, with no drilling, wiring, or configuration required