Metal Detector, 101.6 mm, Lightweight Metal Detector with LCD Display, 152.4 mm IP68 Waterproof Search Coil, Adjustable 650-930 mm Gold Detector, Easy to Use, for Detecting Gold ExplorationProduct Features Precision Detection Performance This metal detector combines a 4 inch search coil with a stable 3 kHz operating frequency for stronger target identification and improved anti interference. It delivers reliable detection on sand, grass, and gravel Sunlight Readable Display This professional metal detector features an FSTN screen that stays clear at the beach and under direct sunlight or bright conditions. It helps make more accurate