Supplier Code: BE12592 The Pro 200 Metal Detector from Barska is a user-friendly metal detector with adjustable sensitivity and an easy-to-read display. The Pro 200 allows you to search for different kinds of metals by adjusting the sensitivity, and then can discriminate betweendifferent metal types. This is done by adjusting the spectral response of the search coil with a dial located on the control box. The 7.5 inch search coil is weather sealed and is capable of detecting in shallow water. Submergible Search Coil Adjustable Metal Discrimination Adjustable Sensitivity Low Battery Indicator Adjustable Stem (up to 47 inches)