Discover the Gold that others have left behind
The user can adjust a set of related settings before performing the search process
It is built to withstand harsh field environments
therefore an object that is buried for a long time in the ground absorbs the signal in a larger percentage than a freshly buried
Recharge the battery overnight
Fisher Labs Gemini-3 Metal Detector long range Discover the Gold that othersFisher Labs Gemini 3 Metal Detector Two box metal detectors are used by prospectors, geologists, treasure hunters and public utility companies to locate large, deep objects, ore veins, pipes and cables. Fisher Labs, the recognized leader in the field, was granted the first two box metal detector patent in 1938. The GEMINI 3 is respected for being the best there is because it goes deeper, traces farther and is easier to use than any other cache finder