1\Easy and convenient to operate
2\The manual part makes anti-smoothy design
3\Two sides both alarm with flashing red light when detecting metal articles.
4\Low battery waste:no waste when stop working, below 1mA when working.
5\Super-high accuracy and sensitivity that be able to detect very small metals(up to 0.1g)
6\The system be able to inspect power source and battery failure, power insufficient .
7\Alarm in different sounds according to different metals, and connect earphone available in harmonious surroundings
product parameter: