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