Ans. You can either watch the videos or can read the user manual for this. We can also guide you by asking you to find the right one that cater to your needs. May be Hero8 or Hero7 could do for you, as these can go to 33 feet deep.
First, adjust the video setting, then tune in the frame rate to 4K and connect to the GoPro app. This way you will not miss a single footage. We would recommend you to try a dry run to check all is well.