Online water quality detector: TDS value detection for tap water online, with built-in three-way interfaces. The overall designs is compact and precise, and the back is easy to install and use with adhesive sticker. Digital display screen, clear numerical values for easy reading. Detachable Sensitivity Probes: A high-precisions and sensitive sensing probes that detects water quality and automatically compensates for temperature, reducing errors. Sensors interfaces: detachable sensors interfaces, easy to carry., Manufacturer: YOUNAFEN