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Waterproof function
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Optional (Yes/No)
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Working environment
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-20℃~60℃
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Power source
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1 9V battery
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Depth of detection
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One cent coin sensitivity detection distance ≥5cm
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Special performance
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The closer you get to the metal, the frequency fades from slow to fast
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Package size
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26*6*6cm
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weight
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0.35kg
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