The product comes in full range RGB .exr and HDR formats which are the best for HDR images.
You will get two versions of this HDRI. One with postproduction, and second without it.
The OpenExr and HDR formats come in 3 resolutions:
The HDRI was made using my scene which can be found here:
After purchase you’ll get my full support if needed.
Thank you! Have a nice day! :)