... Mine detector 1.Detect Rock Gold, Sand Gold, Silver, Bronze, Brass, Precious Stone. 2. Detecting Depth: 100-1000m VR LONG RANGE ... transmitter is case mounted and includes the Standard Six elements with selector switch. The system includes an installed, rechargeable ... with a receiver and the transmitter.(2) Most common frequencies are Rock Gold, Sand Gold, Silver, Bronze, Brass, and Precious Stone.( ...