The TP-Link TL-PA4010 AV500 Nano Powerline Ethernet Adapter Lot of 3 is a set of three white extenders that allow you to easily expand your home network using powerline connections. Each adapter has one Ethernet port (RJ-45) making it simple to connect various devices. These compact units are designed by TP-LINK, a trusted brand in networking, and are ideal for boosting your home connectivity. The model TL-PA4010 offers reliable performance and is easy to set up, making it a convenient solution for improving your home network.