Groundtech GR-4 Ground Scanner goldi rocks 11" round (28cm)

11" round (28cm)

These 3 pound Mini Super Magnets are about 1/4 inch in diameter

one of a kind design

With non-volatile memory to store your settings

Groundtech GR-4 Ground Scanner goldi rocks 11" round (28cm)Advanced Ground Scanning Detector with 3D Analysis The new generation GR 4 is an advanced ground scanning and detection system that allows you to detect underground anomalies, perform 3D analysis, and evaluate the results instantly. It offers integrated, multi functional solutions for professional treasure hunters, archaeological researchers, and anyone who wants to work with high accuracy in underground structures. Features 6 Scanning Features 3D