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. The new Pro-Tech is a unique professional metal detector at small targets its high sensitivity and its flexible functionality as a general metal detector combination. It is lightweight and very easy to use, just a 9V battery to 20 hours of continuous use. Five-speed adjustable backlight, especially for night use, is a good helper scientists explore the tomb. Features lightweight, and intuitive menu-driven interface with balanced large-screen LCD screen embedded serial number (security) target identification and depth indicator discrimination or all-metal mode button to start simple and accurate balancing continuous phase and ground Long battery life ground balance readings (contour tracking these features burning structure), changes in the art will readily (a 9V battery) has a 10 "DD elliptical, waterproof searchcoil closed headphone hat accessories rain cover on-site repair kit ( Portable) closed 10 inch DD search coil