This RCA component (Red, Green, Blue) to VGA cable is very limited in its use. Some projectors that have a VGA input allow a YPbPr signal to be connected through that input. If your projector allows this, it will be specifically stated on the projector itself. This cable can connect any device (DVD player, game system, cable box, etc) that outputs component video (Red, Green, Blue RCA) to a projector with VGA that allows a YPbPr signal. *Not for computer use, this cable will not work with a PC or a PC monitor.