With this Waterproof Metal Detector Portable Device, you can go treasure hunting underwater! It offers three modes and an adjustable stem! The three modes are all-metal mode, disc mode, and pinpoint mode. The all-metal mode detects all metals while the disc mode looks for a specific one. While the pinpoint mode targets something accurately. It also has a user-friendly interface so you can change the settings, such as the sensitivity levels, easily. It has depth indication, low battery alarm, and a headphone jack.