1、ACCURATE DETECTION: High accuracy silicon diffusion and liquid level transmitter for more accurate water level monitoring. 2、STABLE DETECTION: A more reliable performance is guaranteed by a full digital conditioning circuit with a signal output of 4 to 20 mA. Ensure a long service life, multi layer waterproof protection. 3、FINE DESIGN: Using anticorrosion materials that excellently against corrosive; Strong, sturdy construction that resists bending, increases accuracy and stability, has anti clogging holes, and is simple to clean. 4、STAINLESS STEEL MATERIAL: 304 stainless steel is used to create the shell, which is strong and fitted with watertight cables to ensure user safety. 5、SAFE TO USE: Equipped with reverse polarity and current limiting protection, programmable adjustment. Choose and use with confidence!