Core Functions and Advantages Dual mode switching, both land and water Land Mode: Equipped with high sensitivity detection coil, it can quickly identify metal objects in soil and beach, and the depth can reach 20-50cm, suitable for parks, fields, beaches and other scenes. Underwater mode: the host and detector rod are IP68 waterproof design, can be submerged underwater to a depth of 5 metres, easy to deal with rivers, lakes, swimming pools and other waters, salvage submerged metal objects, without fear of wet environment. High-precision Detection, Intelligent Recognition Multi-frequency technology: supports multi-frequency detection, which can distinguish the metal type, reduce interference, and accurately locate the target. Intelligent alarm system: When metal is detected, it will provide real-time feedback through sound and light alarms, and show the metal category and signal strength through the display, which is intuitive and convenient to operate. Ergonomic design, durable and portable Lightweight body: the whole machine weighs only 0.8kg, and the detachable detector bar supports height adjustment, adapting to users of different heights, and no fatigue when holding it for a long time. Wear-resistant material: the body is made of high-strength ABS engineering plastics, which is resistant to falls and corrosion, and can cope with the complex outdoor environment; the detector coil is equipped with a scratch-resistant rubber protective cover to prolong its service life. Long battery life and convenient operation Endurance: Built-in 2000mAh rechargeable lithium battery, full battery life of about 8-10 hours, support Type-C fast charging, outdoor work without frequent charging. Easy to operate: one key to start, knob to adjust the sensitivity and mode, novice can quickly get started; equipped with a backlit display, even in the dark environment can be clearly read data. Applicable Scenarios Outdoor treasure hunting: searching for lost metal objects on beaches, riverbeds, mountains and forests, experiencing the fun of archaeology. Safety inspection: detecting hidden metal obstacles when camping or hiking, ensuring travel safety. Underwater salvage: salvage jewellery and tools from swimming pools and lakes to reduce property loss. Education and scientific research: geological investigation, school practice activities to assist metal mineral detection, both fun and knowledge.