I bought a Chinese finest non own body for a 4k p3. No difference with fitment I have to say hands down a good fit. Only difference is the linking clear button cannot be used. I just measured it up and put a drill hole big enough to fit a opened paperclip into when linking.
Also sometimes if not used for a while you need to relink the bird and remote. Mind opening top cover as is really easy to catch/pinch cables.