1.灵敏度的调节功能，可根据实际使用的情况进行大小调节；
1. the adjustment function of sensitivity can be adjusted according to the actual use situation.
2.自检功能，自动对设备进行检查，判断是否正常，可避免对设备不必要的维修；
2. Self-inspection function, automatic inspection of equipment to determine whether it is normal, can avoid unnecessary maintenance of equipment;
3.防水防锈，保护了设备，卫生又易于清洁；
3. waterproof and rust protection, protect the equipment, sanitation and easy to clean.
4.漏电检测功能，增加了设备使用的安全性；
4. the leakage detection function increases the safety of the equipment.
5.自动报警功能，在检测到金属杂质时，声、光装置会同时报警，并停止运行。
5. Automatic alarm function. When metal impurities are detected, sound and light devices will alarm at the same time and stop running.