Treasure Hunter GT300 Metal Detector Professional High Sensitive Underground Pinpointing Adjustable Tracker Waterproof IP68 - AliExpress
Amazon.com : Bounty Hunter Tracker IV Metal Detector with Digger and Pouch, 3 Modes for High Accuracy – All Metal, Disc, Tone, Adjustable Metal Detector for Adults, 8-inch Waterproof Coil Detects All