Waterproof Metal Detector Sensitive Probe Metal Finder Gold Searching Feature: 1.Multi-use Metal Detector: Can search gold, silver jewelry, coins and other metal in the ground. Besides, it can be used for research, rescue or educational use. 2.Adjustable Height: Adjust the detector's length for comfortable use. 3.Detection Indication: Audio alert and pointer indicate the detection of metal. 4.Waterproof Metal Finder: You can use the metal detector in the shallow water. 5.Volume Control: You can adjust the output volume of the loud speaker or headphone. .