HANDHELD METAL DETECTOR WITH ADJUSTABLE SENSITIVITY AND VIBRATION ALERT SPECIFICATION
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➢Operating Frequency:20KHz
➢Detection distance Pin: 30-60mm 64 model handgun:150mm 6 inch long knife:160mm
➢ Diameter 20mm Steel Ball:90mm
➢Power Source: 1x 9V Battery
➢Adjustment method:Manual
➢Alarm mode:Audible beep or vibration alert
➢Color: Black
➢Dimensions:440 X 55 X 145mm
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