... Detect Rock Gold, Sand Gold, Silver, Bronze, Brass, and Precious Stone. Detecting Range: 100-1000m, Depth: 5-50m Features and Functions ... user with a receiver and the transmitter.(2) Most common frequencies are Rock Gold, Sand Gold, Silver, Bronze, Brass, and Precious Stone.(3 ... for a particular element. Components: (1) A grey case with aluminum trim, a handle and two locks (2) External Battery ...