The TL-WPA4220KIT has a Wi-Fi clone button that instantly copies your network name and password from your router, making for an easy setup. Your existing Wi-Fi settings will be synchronised to the extender automatically. Your network extension is never limited to the primary coverage of you router with TP-Links powerline technology. Wherever there is a power outlet in your home, the TL-WPA4220KIT will fit perfectly to provide ultra-fast transfer speeds. The TL-WPA4220KIT is simply plug and play. Plug the TL-PA4010 in to the selected outlet and connect it to the router with an Ethernet cable. Once connected, plug the TL-WPA4220 in any desired power outlet and pair the two units. Please note that the two outlets must be on the same circuit in order to pair. For more information about extending your home network, read our blog!