Treasure Cove TC-9700 Fortune Finder Pro Professional Metal Detector Kit With Waterproof Search Coil, and 10-Year Warranty 20 cm WATERPROOF search coil; Detects a quarter buried up to 20 cm LCD displays depth of target object & discriminates between 8 different metal types 5 operating modes: All metal, Discrimination, Notch, Variable Notch, & Pinpoint Preset ground balance, user controlled balance and ground track offsets the effects of minerals present in soil or to balance effects of saltwater) Carrying bag, Sand sifting scoop and headset included; Requires two (2) 9-volt batteries (not included)