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 2 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 3Test Results: 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 4Detachable Design: The hydroponics testing meter has a detachable replacement design, with a highly sensitive electrode tip and probe insertion design 5Wide Compatible: The water quality test meter has a wide range of applications, such as drinking water, sewage treatment, water purification, aquaculture, hydroponics, etc1 x Water Tester (Battery Not Included)1 x User Manual