The Pyle Pro Metal Detector Pinpointer is a perfect accessory for metal detection, enhancing your ability to locate small objects in the ground, sand, or water. This waterproof and submersible device (Ip-68 rated) can be used in depths up to 10 meters, making it ideal for treasure hunting at the beach, park, or other locations. It features a pinpoint sensitivity of ~3.5cm, Led indication with 4 levels of colored signals, and audible sound alerts through a built-in speaker.