Underground metal detector, for detecting gold and silver underground to locate jewelry, antiquities, and coins. Waterproof, high precision, and lightweight. Manufacturer UDYGQM+ includes exclusive Tart ID technology and patented discrimination features. This technology features two indicator scales that allow you to see the discrimination setting on the detector (lower scale) as well as analyze each detected tart (upper scale). It also features enhanced iron discrimination (extra discrimination to separate desired tarts from iron junk in cluttered areas) and a standard 8.5" x 11" elliptical double-D search coil designed for performance in the most difficult mineralized soils. With one-touch operation, it turns on with the touch of a button, is easily adjustable for ground minerals, and is immediately ready to start searching. Power Supply: Four AA batteries. Sensitivity: 8 settings. Operating Modes: All Metal, Jewelry, Antiquities, Coins, Indicators. Coil: 8.5" x 11" waterproof search coil with cable. Detected Indicator: LCD screen. New, unused from its box, for sale.