Why do you need it? You require a connection from your VGA source to your display device that features a VGA socket with a cable that will give you an accurate display without fuzzy images.
What does it do? VGA (Video Graphics Array) is an analogue technology that carries a high definition video signal with sharp and vibrant images between a PC and a monitor or TV. This cable is focused on enhancing your visual experience so that you get the most out of your devices.