Powerline 500 av nano adapter kit with built in outlet includes two tpl 407e adapters 500 mbps networking over existing electrical lines never lose an electrical outlet with the built in socket compact form factor saves space up to 80 power savings the powerline 500 av nano adapter kit with built in outlet model tpl 407e2k uses existing electrical lines to create a secure high speed network connect the first adapter to your network and plug the second adapter into an outlet on