there is no data on what depth it is guaranteed to
You haven't told us yet how much depth you need. I used the one I linked in a earlier post for about 30cm and it still works. What are your requirements?
there is no data on what depth it is guaranteed to
You haven't told us yet how much depth you need. I used the one I linked in a earlier post for about 30cm and it still works. What are your requirements?