The Garrett AT PRO metal detector is in a class of its own. It is the only detector on the market characterized by the functionality of a ground detector, while being waterproof. The amazing usability of the detector is guaranteed by such features as the "PRO" search mode. It allows you to identify the type of metal and the depth of the traced find without looking at the display. Experience a whole new kind of search experience that is underwater search. Expanded discrimination parameters will help distinguish the size of ferrous finds, and the easy-to-read display will show everything your ear can't pick up giving maximum efficiency in land and underwater searches.