FULLY WATERPROOF. Don't stop your search at the beach or the bank. This metal detector is fully waterproof and submersible up to up to 16 ft (5 m) so you can find gold, silver, jewelry ...

"Discover the ten most incredible discoveries made using metal detectors. From ancient treasures to rare artifacts Trump’s ...

the higher the ID value. We’ve picked up DIY metal detectors of all sizes over the years, but this one is the ATtiny-ist.