... :VR1000B-II Metal Detector System: The VR1000B-II Long Range King is our the newest model which is upgarded based ... 500m, 600m, 700m, 800m, 900m, 1000m) showing 10 different detecting range. And has one knob for selecting the detecing RangeAlso, the ... Flags(9) Operators ManualSpecifications:(1) Max Detection: 50m(2) Detect Range: 1000m(3) Rechargeable Battery: Continuous working 72 hours(4) Power ...