The Black Box AC504A Mini-CAT5 Extender Transmitter is a compact and efficient device that allows you to extend the distance of your VGA connection by converting the VGA signal to RJ45. The sleek black design complements any computer setup, while the reliable Black Box brand ensures quality performance. With a VGA male connector on one end and an RJ45 female connector on the other, this extender transmitter is perfect for those who need to extend their computer's reach without sacrificing image quality.