This is a Mount/ Case for a GoPro Hero 11 Mini.You have to remove the two mounting clips from your GoPro for this case to fit.
The Case has a slot that is meant for a tbs ND Filter.
There a two versions:
The mounting part is not standardized.I've added mounting plates for these frames:GepRc Mark5Speedybee Master5/hdM5ProCinelog30
If you need any other Mounting plates for other frames contact me.