... detectorIntroduction:VR1000B-II Metal Detector System: The VR1000B-II Long Range King is our the newest model which is upgarded ... Copper, Silver, Gold, P.T, Tin, Jewel, Aluminum(2) Detecting Range: 1000m(3) Detecting Depth: Max. 50m(4) After tracking ... Marker Flags(9) Operators ManualSpecifications:(1) Max Detection: 50m(2) Detect Range: 1000m(3) Rechargeable Battery: Continuous working 72 hours(4 ...