Super Scanner Hand Held Metal Detectors

•    Highly sensitive.
•    Simple and convenient to use, no adjustments required.
•    The detection distance will not be changed when the battery voltage drops from 9V to about 7V.
•    Low power consumption, can work for 40 hours continuously.
•    There is automatic and continues alarm when the battery is used up.
•    Switch on/off audio prompt function.
•    Witch external rechargeable socket hole.