Key features8.5″ x 11″ proformancetm dd submersible searchcoil (as shown) premium volume-control land headphones (waterproof headphones sold separately)waterproof to 10 feet or 3 metersideal for use in both fresh and saltwaterat pro will ground balance to saltwater.overviewhighly recommended Coin hunting, jewelry hunting, relic hunting, cache hunting, prospecting, ghost town hunting, competition events, beach/fresh water huntingthis all-terrain detector offers new and exclusive garrett technology that makes it ideal for hunting coins, relics, caches, jewelry, and even gold nuggets. Select from either standard or professional search modes with enhanced audio features