【High Sensitivity】: Our Underground Metal Detector is designed with a sensitivity of over 20cm, allowing you to easily detect hidden treasures such as gold and precious metals. Whether you are a professional treasure hunter or a beginner, this metal detector is perfect for all skill levels. 【Waterproof and Durable】: This Professional Waterproof Metal Detector features a 22cm waterproof search coil, allowing you to explore rivers, lakes, and even shallow underwater areas. Its durable construction ensures that it can withstand various outdoor conditions, making it reliable for long-term use. 【Versatile Detection Modes】: With our Expandable Size Gold Detector, you can easily switch between different detection modes. Whether you prefer the all-metal mode for general detection, the Notch mode for filtering out unwanted targets, or the Disc mode for specific target discrimination, this metal detector has got you covered. 【Easy-to-Read Display】: The LCD display and three-tone audio indication of our Metal Detector provide clear and accurate detection results. You can easily identify the type of metal detected and its approximate depth, enhancing your metal detecting efficiency. 【Convenient Accessories】: Our Metal Detector comes with a shovel and storage bag, providing you with the necessary tools and convenience for your treasure hunting adventures. It is suitable for both children and adults, making it a perfect gift for metal detecting enthusiasts of all ages.