• Fully waterproof metal detector, capable of operating up to 10 meters underwater, ideal for treasure hunting in rivers, lakes, and seas. • Enhanced sensitivity by 25% compared to standard detectors, increasing the chances of finding metals such as gold, silver, and coins. • Versatile alarm modes: audio alert, silent vibration, and combination of vibration with audio to suit different search environments. • Portable and multi-purpose design, easy to carry in bags or belts, with a ruler pressure pattern for outdoor measurements. • Product dimensions: 7 cm wide, 15 cm high, and 7 cm long, with a weight of 0.33 kg.