Perfect for searching in wet sand and grass, the Bounty Hunter Quicksilver Metal Detector features an 8" open waterproof coil that's built to last. Find gold, silver, iron and other metal relics fast. Detects coins buried 8" deep and larger items up to 3' down. Use the fully automatic ground balance with Squelch-Tech and the 4-segment digital target identification system to disregard trash and other undesirable items. The easy-to-read LCD and 3-tone audio feedback monitor your finds and let you know whether you've found something really cool.