Fisher metal detectors Founded in 1931, under the experimental conditions very difficult circumstances, developed the world's first metal detector. After nearly a century of painstaking research, has become the best-known brands in the field detector. Fisher metal detectors use the most cutting-edge technology, it has become one of the most trusted brands. Fisher metal detector treasure-hunting was a favorite among fans, because of its versatility, depth and wider use of the most cutting-edge technology, and is very easy to use and technical innovation. New gold exploration experts in all gold detector is outstanding. It also has a small nugget high resolving power control and function is designed specifically for the detection of gold, including sophisticated ground balance system, numerical signal obtained and threshold separation design, unique to distinguish control mode. ? Fisher Pro to find the smallest gold bullion (security) V-Break in highly mineralized soil embedded serial number TM; the industry's first variable breakpoints tone discrimination system to seize, real-time computer computer Ground Balance Ground Balance? VCO audio patterns of discrimination in all metals & independent control threshold and gain continuous reading of the amount of mineralized ground conditions mineralization type Fe3O4 graphical representation of the ground phase value represents a static location and depth indicator dual headphone jacks 19 kHz operating frequency is so simple The user interface super featherweight (2.5 pounds). Recommended: Small gold / alluvial gold / gold particles