About this item【LCD Display & Sound Indication】: The LCD screen of our metal detectors for kids displays whether the target is detected. When the target is found, a fish will take the bait. At this time, only the small fish in the upper left corner is lit. There will also be a sound prompt when detected, which is very lively and interesting.【IP68 waterproof detector】: Our high-sensitivity metal detector uses IP68 waterproof search coil, the coil detection is sensitive, ensuring the detection efficiency in water, and the waterproof coil can also rotate the angle, which increases flexibility. You can use the waterproof search coil to use the metal detector in shallow water, which is very suitable for shallow water or beach exploration (Note: the co.