... .Detecting Depth: 5-50m 4.Gold detector VR1000B-II Long Range King Gold Metal Detector Diamond Detector Detect Target: Gold,Silver,Copper,P.G,Tin ... FORWARD GAUSS technology that is both an audio and visual detector. This metal detector was first used in the field in 1984 and ... an archeological site. The VR Long Range King Gold/Diamond Metal Detector is custom built in a sturdy, hard side, padded case ...