
Goldforce F39 Gold Metal Detector Professional Underground Gold Metal Detector. Weatherproof Design: Fully weatherproof with waterproof search coil for river, sea, and beach use. Advanced Ground Balancing: Features both computerized Ground-Grab and manual ground balance for soil tuning. Multi-Tone Audio System: Includes 4-Tone Audio-ID and Fe-Tone adjustable iron audio for target clarity. Precise Target Identification: 9-Segment Target Categories with 0-99 numeric Target-ID for easy identification. Fast Retune Speed: Superfast retune speed ensures excellent target separation in difficult conditions. Customizable Tones: Users can set their own tones for a personalized detection experience. OEM and ODM Services: Offers full customization, minor customization, and flexible customization options. 1-Year Warranty: Comes with a 1-year warranty for peace of mind and product reliability.