Security Metal Detectors, GoerTek Hand Held Adjustable Sensitivity Super Wand Scanner with 16 LED Lights Variation Show the Strength of Metals’ Signal one 9V Battery Included Range -15 ~ 65℃

Four Alarm Indication ❶16PCS Metal LED Indicators Indicator lights gradually change from green (weak signal) to red (strength signal)) when detecting the different sizes of metal objects. They are good for detecting the strength of metal’s signal easily. ❷Blinking Green LED: Power on…

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Security Metal Detectors, GoerTek Hand Held Adjustable Sensitivity Super Wand Scanner with 16 LED Lights Variation Show the Strength of Metals’ Signal one 9V Battery Included Range -15 ~ 65℃

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