Adult and child metal detector, high precision, with 10 inch waterproof detection disk, with memory function
SKU: GW50.0067
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The search coil of the MD3040 metal detector is 20% larger than the ordinary detector, and can detect 8.7 inches at most (for 25 cents), which is deeper than other ordinary detectors.
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2 9V batteries (not included).
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Yes, the MD3040 metal detector has the ground balance function, which is preset by the manufacturer without adjustment.