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Rotate the knob counter--clockwise to open the battery compartment seal
Material: ABS + aluminum alloy
The measurement allowed error is +/- 1-3cm
The stronger the target signal
This metal detector is also widely applied in many other areas:Detecting metal objects buried underground
Portable Underground Metal Detector MD3030 Quick Shooter Gold Detector With Large LCD Screen Treasure Hunter Hobby Metal Detectors Rotate the knob counter--clockwise toProduct Introduction : This MD 3030 metal detector can hunt for coins ,relics , jewelry , gold , silver and any metals . This detector comes with high sensitivity and strong ability of discrimination ,it is versatile and easy to use . The detectors features include: LCD Display shows the probable type of metal with an arrow, the depth of the target, DISC NOTCH range, the level of SENSand battery condition. It also has numeric display for DISC and