Groundtech GR-4 Dual 3D Ground Scanner and Integrated Pulse Induction Metal Detector dune The sand just keeps going

The sand just keeps going back into the hole as you dig

The white color wards off excess heat and the bullseye logo shows you exactly where the “hot spot” is

This waterproof coil is designed to search on land heavily littered with iron and other debris

LED Light: The Powerful

Groundtech GR-4 Dual 3D Ground Scanner and Integrated Pulse Induction Metal Detector dune The sand just keeps goingTake your exploration to the absolute limit with the Groundtech GR 4 DUAL. This elite, hybrid system integrates an advanced 3D Ground Scanner with a high performance Pulse Induction metal detector, giving serious treasure hunters, archaeologists, and relic seekers two powerful technologies in a single, streamlined device. Whether you need to map out deep subterranean voids like tunnels and chambers up to 49 feet (15 meters) deep, or rapidly search and