1Data saving: The data of the water tester can be automatically saved and manually saved, the saved data can be exported to an Excel table, and can also be shared 2Simultaneous Display: The 5 in 1 water tester can display data synchronously, just immerse the electrode in the solution to be tested, and the data will be synchronized to the mobile APP to display multiple data at the same time 3Custom Measurements: The digital PH tester can set PH, EC, ORP maximum or minimum limits according to user requirements, if the test result is out of range it will be displayed in red 4Plug in Probe: The water quality test meter adopts high sensitivity electrodes, and the probe is plug in design, which can be detached and replaced 5Scope of Application: The digital water tester can be used in drinking water, sewage treatment, water purification, fish tank, aquaculture, swimming pool, hydroponics, medicine treatment, etc1 x Water Tester (Battery Not Included)1 x User Manual