Non-contact: No contact with the liquid is required; it can detect conductive liquids through non-metallic containers. Installation is simple and easy, and it is not affected by container color. Automatic sensitivity adjustment: Sensitivity can be automatically adjusted with a single button. Does not affect water quality: Since it does not directly contact the liquid, it not affect water quality or cause scale buildup. Ultra-thin size: Ultra-thin at 6.1mm, saving space., Manufacturer: Jnchdghwa