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. Fisher F70 advanced audio-visual target ID metal detector F70 has many great features. Use it to search for coins, relics exploration, gold exploration and so on. Powerful performance all-metal auto-mode digital object recognition in 0-99 LCD large screen display a variety of audio frequency shift of tone options identified one touch push button notch precise static variable audio pitch and the depth of reading based on advanced motion recognition software intuitive upgrading the user interface field test report specifications f70-11dd to 11 "DD bi-axial coils to increase the depth of Separation big footprint: cover more ground faster mineralization of soil in search of coins recommended cultural exploration gold exploration beach search