The Wailing 2016 Dual Audio Bluray 480p 720 Repack Link

I should also consider the audience of the essay. If it's for a general audience interested in the movie, the technical details might be a side point. But if the audience is more technically inclined, then more emphasis on the file specs. Since the user provided this in quotes, maybe they want an essay that's useful for someone looking for the movie in that specific format, so explaining what those terms mean.