Well, I had to guinea pig it, myself.
The file is a 720p mp4 with no discernible DRM. It clocks in at 2.16GB and is provided through a download link. My download worked fine on the first attempt, so I have no idea if re-downloads are allowed/possible.
The movie is nice stuff and well worth the price, IMO. I wanted it to be longer, but then... it's so in my wheelhouse, I could've watched it as a 22-episode series.
Hey, Mr. Suckling- I've got your next project!