The Water Finder instrument is the use of natural earth field source without going through artificial field that is omitted clumsy power supply system in order to achieve the simple, lightweight instrument. 

After data collection instrument through the water finder's unique built-in computing functions to achieve the automatic presentation graph the collected data can also be transferred to a computer drawing to form a cross-sectional view, the geological layer structure can be quickly determined by a clear understanding of cross-sectional view orebody (seam), hollow (cave), water (aquifer) specific information.