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Notice :
when the parcel arrived to your customs ,please pay the tax and pick up the
parcel ,we are not responsible for any customs duty or import tax
if your place is remote ,then need to pay 38usd .
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Features:
Metal detectors use electromagnetic induction principle, using an alternating current through the coil, rapid changes in the magnetic field generated. The magnetic field can be inside the metal objects can be induced eddy current. Eddy current will produce magnetic field again, affect the original magnetic field, lowing trigger probe. Because in some places because the working principle of the underground soil structure, which can make the metal detector trigger probe lowing effects work.
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