ST-30C Hand-held High Sensitivity Needle Detector Metal Detector

Parameters: MODEL: ST-30C type Detection ability: upscale FeΦ0.5mm-0.8mm; low 0.9-1.2mm Detection adjustment: high-low adjustment Detection width: 50mm Detection hight: 100mm – 300mm Alarm method: sound and light alarm Power supply: 6F22-9V battery Pated output: Standby <5mA,…

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ST-30C Hand-held High Sensitivity Needle Detector Metal Detector

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