Online water qualitys detectors: value detection for tap water online, with builtin single way interfaces Detachable sensorings interfaces, easy to carry Detachable High Sensitivity Probes: A high and sensitive sensings probes that detects water qualitys and automatically compensates for temperature, reducing errors The overall designs is, and the back is easy to installation and use with adhesive sticker Digital display screen, clear numerically values for easy reading, Manufacturer: yanwuwa