ZKTeco ZK-D100S

The handheld metal detector is portable, convenient to use and can be recharged.
It needs 4-6 hours to charge.
(Standard 9V battery.
charger and additional rechargeable battery are arranged) Alarm by sound and warning light simultaneously.
or vibration and warning light simultaneously.
You can optionally choose the working conditions.
When low sensitivity is selected.
the metal detection and warning works only when it finds a large metal object in the lithium battery.
USB charging cable (optional) Power saving mode:
Automatically disconnects the power supply after one minute when not in use.
(Optional)