1Premium Aluminum: Made of premium aluminum, the metal detector is wear resistant, corrosion resistant, durable, reliable, has good accuracy and stability. 2Powerful Functions: Equipped with intelligent modular operation, the 20m depth metal detector has powerful functions, fast speed and efficiency, is easy and convenient for users. 3Efficient: Equipped with premium remote search system and accurate positioning detection system, which breaks through the traditional detection method, the 1000m range copper detector is advanced and efficient. 4Reduce Testing Labor: The aluminum metal detector adopts microcomputer control chip unit calibration, can quickly scan and detect, greatly improve the work efficiency and reduce testing labor for users. 5Suitable: The rechargeable metal detector adopts advanced and practical testing method, suitable for detecting gold, silver, bronze and so on.