Super waterproof performance, underwater 30 metres without worry 30m waterproof: this metal detector has IP68 waterproof performance, can work stably in the underwater environment of 30 metres, suitable for diving detection, beach treasure hunting and other scenarios, no need to worry about water damage. Sealed waterproof design: the fully sealed waterproof structure, with a high-strength waterproof shell, effectively resisting water pressure and humid environment, to ensure long-term reliable operation of the device. High sensitivity detection, accurate identification of metal targets Multi-metal detection mode: support the detection of gold, silver, copper, iron and other metal types, the user can switch the detection mode according to the needs of the precise positioning of the target metal. Pulse sensing technology: adopts advanced pulse sensing technology, accurate positioning, strong anti-interference ability, even in complex geological or underwater environment can work stably. High sensitivity detection: the smallest metal object can be detected in the size of a dollar coin, and the detection depth can be up to 30 metres (the specific depth varies depending on the type of metal, soil conditions and other factors). Intelligent alarm system, convenient and intuitive operation Vibration and LED light alarm: when detecting a metal target, the device will vibrate and white LED light double alarm, even in the noisy or underwater environment can also be clearly perceived. Target Distance Alert: Adopting signal processing technology, when approaching a metal target, the vibration frequency or LED light flashing frequency will increase to help users quickly locate the target. One-button operation: simple design, intuitive operation, users can easily get started, without complex settings to start detection.