* Streamline design, elegant and generous, handle with comfortable anti-skid design
* Simple, easy to use and convenient
* Three kinds of Alarm Mode: Vibration, Sound, Vibration and Sound
* Long working hours and standby time, energy saving and environmental protection
* Digital design, strong anti-interference ability
* Stability good consistency, no periodic correction
* High sensitivity
* With tips of Charging and low battery ; advanced Programming Capability
10. The operator can be judged the size of metal objects by sound and light tips
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