Gold Detector Diamond Detecting Machine Metal Detector Machinery Depth 14m

Note: absolutely can’t use 230 V voltage power supply!!! Product name: AKS detective metal detector Search system: microcomputer CPU control and reflection conductivity Search range: 800M Detecting depth: 14M Energy: 12V 1000-1600mAh Launch frequency: 5.6- 6KHz Signal frequency: 360- 440Hz…

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Gold Detector Diamond Detecting Machine Metal Detector Machinery Depth 14m

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