1. Ground gold detector for long range; 2. Gold, Silver, Copper, Tin, P.G, Aluminum, ... metal detector. English operation panel. The detect target: Gold, Silver, Copper, tin, aluminums, and jewel.VR1000B ... . The detect target becomes 7 kinds of metal: Gold, Silver, Copper, P.G, Tin, Aluminum and ... receiver and the transmitter.(2) Most common frequencies are Gold, Silver, Copper, P.G, Tin, Aluminum and ...