TPLINK TL-PA4010PKIT Powerline Adapter With Ac Pass, Interface 1* 10/100Mbps Ethernet Port, Power Socket, Pair Button, LED Power, Powerline, Ethernet, Scope Up to 300 meters/1000 feet over existing electrical wiring. The TL-PA4010PKIT turns your existing powerline into a high speed network with no need for new wires or drilling. No configuration is required, simply plug your adapter into your power socket and you can establish networking infrastructure in a flash