This USB cable will connect your Canon EOS 5D camera to your PC or laptop. This will allow you to transfer your images/movies from your camera to your PC or laptop via a USB connection. At one end is a standard USB connector that plugs into your PC or laptop and at the other end of the cable is a smaller mini USB connector that plugs into your camera. Your PC or laptop will instantly recognise the cable allowing you to start transfering your pictures. There is no need to install any drivers or software. This cable replaces the following Canon part numbers :IFC-100 PCU, IFC-200U, IFC-300PCU, IFC-300 PCU, IFC-400PCU, IFC-400 PCU, IFC-500U