KKmoon Metal Detector, 98ft Waterproof Handheld Pinpointer, Pulse Induction Metal Detector, Precise Direction PI Technology Underwater Finding Treasure, Gold Unearthing Tool, with LED LightBrand: KKmoon Color: Yellow Features: Underwater Metal Detecting Detect the exact location of buried metal objects. Pulse Induction Technology(PI) Allow hunting metal in water, on land or in any type of soil, including black sand. Communicate with Vibration & Light LED light signal indicator and vibration indicate the detection of metal. Stable Detection Depth Advanced circuitry maintains detection distance throughout the life of the battery. Easy to