1、It is suitable for the outer wall of non-metallic pipes without direct contact with liquids, and will not be corroded by corrosive liquids such as strong acid and alkali, and is not affected by scale or other debris. 2、Intelligent liquid level reference adjustment and liquid level memory function, liquid level status display mode, multi-point series connection 3、The test is accurate and stable, and the boiling water level can be detected. 4、Pure electronic circuit structure, non-mechanical working mode, stable performance and longevity. 5、High stability, high sensitivity, strong interference ability, free from external electromagnetic interference 6、Strong compatibility, through a variety of non-metallic containers, such as plastic, glass, ceramics, etc., sensing distance up to 20mm 7、Liquids, powders, and particulate matter can be detected 8、Suitable for liquid sensing in all types of containers 9、Suitable for automatic control, sewage environmental protection, water tower anti-dry control, agricultural machinery, household appliances, aquarium water control, drone liquid sensing