handheld metal detectors

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donniewalburn
Posts: 2
Joined: 12 Mar 2019, 01:42

handheld metal detectors

Post by donniewalburn » 15 Mar 2019, 10:03

The special design of the circulation switch of this handheld metal detectors has the function of switch alarm and hidden respectively noise vibration alarm, and it is easy to carry and very useful when we meet danger.

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