What's inside the packge:
-Textures used on the car
Pontiac GTO 6.0 HighPoly model
You will also need VRay in order to correctly read the file.
The package is compressed in *.ZIP file format which means that you'll need Winzip to uncompress it.
What about the limitations? well... you got no limitations because once you get your money from your pocket, you're free to use it as you're pleased.