Features:Three tones for high accuracy: The metal detector has unique tones - one bass, one mid and one treble displayed on interesting icons that distinguish different metals. DISC mode helps you eliminate object categories and improve detection efficiency.LARGE AND INTERESTING LCD DISPLAY: Equipped with a large backlit LCD that shows different detection depths, discrimination, operating modes, overload warnings, sensitivity levels and battery levels, you can differentiate between targets and unwanted metals. This entry-level metal detector is the perfect gift for beginners.IP68 Search Coil: The 7.8" diameter search coil and stem allow you to use a metal detector to detect underwater, ideal for detection in beaches or streams (Note: Control box cannot be placed in water). Features a headphone jack (3.5mm /1/8 inch), so you can connect it with headphones, allowing you to use it in noisy environments.Humanized Design: The metal detector is ergonomically designed, comfortable and convenient to use. The adjustable rod extends from 24" to 45" to accommodate users of different heights. The handrail design is more labor-saving, giving you an exquisite treasure hunt.