Handheld Metal Detector With Audio And Led Alert

Was: $98.76
Now: $39.32
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Operating frequency: 52kHz +/- 10% (sine wave)
Sensitivity: >5cm (for a US quarter)
Indication: audio alert and LED (red) alert
Audio Tone changes as the metal size changes
Blinking Green Indicator when the unit is working properly
Headphone jack: 1/8-inch (for silent operation)• Low sensitivity: to lower the sensitivity, used in place with interference LED indicators on both front and back faces are optional
Low Battery Indication
One 9V Battery Required ( Battery Not Included)