mini size level sensor non contact liquid level sensors sticky type liquid sensor for surface of container bathtub or aquarium

the non-contact liquid level sensor is a pure electronic circuit structure, non-mechanical non-contact working mode, stable performance and longevity. moreover, it has high stability, high sensitivity, strong interference capability, and is from external electromagnetic interference. it has special treatment for power frequency interference and common mode interference to be compatible with all 5~24v power adapters on the market.