INTEY Metal Detector - GC-1039 Detector with ALL-METAL/DISC/PINPOINT Functions, Adjustable Volume & Rod (30.7-42.5 in) for Adults and Kids, High Sensitivity & Waterproof Coil for Outdoor Treasure Hunt
Price: $59.49
Description
Metal detectors are mainly used to detect and identify buried underground metal objects. The detection depth has a great relationship with the area, shape, and weight of the metal being probed. Generally speaking, the larger the area, the larger the number, and the larger the corresponding detection depth.