The Nokta INV56 is a 22-inch by 19-inch DD search coil compatible exclusively with the Nokta Invenio metal detector

fields and at beaches

less time setting up

so you can notch out specific junk categories while still accepting coins that fall in the same conductivity band

Groundtech GR-3 3D Ground Scanner jewelry hunting The Nokta INV56 is aThe Groundtech GR 3 is an ultra compact, completely wireless 3D ground scanner for treasure hunters, relic seekers, and archaeologists who want deep seeking technology in a highly portable format. Weighing just 600 grams (1. 3 lbs) with no heavy batteries or tangled cables, the GR 3 uses CN D dual gradiometer sensors to reach scanning depths of up to 7 meters (approx. 23 feet). It includes the Groundtech App for installation on your Android or iOS