The product is a lot of 3 Gefen DVI Extra Long Range Extender R receivers, each tested and working. These receivers are designed to extend the range of a DVI connection using RJ-45 connectors. With a DVI female connector on one end and RJ-45 connectors on the other, these extenders allow for flexible and convenient connectivity in computer and networking setups. The Gefen brand is known for producing high-quality audio and video cables and adapters, making these receivers a reliable choice for expanding the reach of DVI connections.