Features：1、Automatically Save Data: Data is automatically stored and shared, data can be automatically saved and manually saved, the saved data can be exported to Excel, and can also be shared with your friends. 2、Data Synchronous Display: Data synchronous display, just immerse the electrode in the solution to be tested, the data will be synchronized to the mobile APP and multiple data will be displayed at the same time, which is convenient and fast. 3、Test Range: The maximum or minimum value can be set by yourself, and the maximum or minimum limit of PH, EC, ORP can be set according to user requirements. If the test result exceeds the range, the value will be displayed in red. 4、High Sensitivity Electrode Head: Water quality test meter adopts high sensitivity electrode, and the probe is inserted into the design, which can be disassembled and replaced. 5、Wide Application: PH water tester is widely used in drinking water, sewage treatment, water purification, fish tank, aquaculture, swimming pool, hydroponics, iatrical treatment, etc.Specification：Item Type: Water Quality TesterMaterial: ABSWeight: Approx. 159g / 5.6ozATC: 0.1℃ to 60℃Working Environment: 0.1℃ to 80℃RH: 90% MaximumWaterproof Grade: IP67Battery: 3 LR44 (Battery Not Included)Package List：1 x Water Quality Tester (Battery Not Included) 1 x User Manual