This PKI 8550 Metal Detector for Gold, Silver, Iron in Depths up to 3.5m meets the highest expectations of the exigent metal prospector. It has been developed to locate small, medium-sized and large metal objects and indicates them by a corresponding signal. This especially solid device allows the detection of metals in extreme depths and ignores the toughest ground conditions. Special technical features, such as adjustable frequency, various search programs, pin point for non-motion detection, are of course a must for this high-tech metal detector.