[Upgraded Smart Bluetooth PH Tester]:The new super version of the PH tester adds wireless connectivity. The pH tester connects to your phone or tablet in seconds and you can all your readings in one . It makes testing more accurate and convenient.[Easy Operation]:Immersed the electrode of the tester in water and waited for a few seconds to the data on the LCD screen. No need to match colors one by one like test strips. The operation is simpler and more convenient. Support mobile APP one-button backlight control, easy to read even in light.[One-key data storage and sharing]:One-key storage of all measurement data, intelligent control of mobile APP, real-time viewing, long-term recording of measurement and calibration data, easy comparison and analysis, data synchronization, automatic/manual storage; export Exce/print-share, Remarks can be added to display the location, and the measurement value, time, date, remarks, location, etc. can be viewed. Make testing work more efficient and .[High-precision replaceable Flat Electrode, wide application range]: The flat electrode is mainly used to measure flat samples. Flat sample test such as skin,paper, cloth and leather, -solution test, routine aqueous solution test, suitable for swimming pools And spa, fish pond, also suitable for aquarium, sea water, marine/salt water fish tank PH test.[Multi-function]:Measurement data lock, F&C temperature unit conversion, automatic temperature compensation, IP67 waterproof function, data synchronization, setting measurement upper limit (maximum and minimum value), 2 groups of PH calibration (6.86/ 4.00 / 9.18 or 7.00 / 4.00 / 10.01)Notice:1. When testing the skin: there should be no sweat or dirt on the skin surface, it should not be excessively cleaned ( testing, do not use cleansing products) to avoid affecting the measurement results. Moisten the skin slightly with distilled water, press the flat electrode slightly on the skinand read after the measurement is stable. When testing paper, cloth or leather: add 1-2 of distilled water to slightly wetand then test it directly.2. The product APP will be updated from time to time. If your phone fails to connect wirelessly or fails to data during use, you need to uninstall the current APP and download the latest version to reinstall.Material: Plasticcolour: As shownPackage Contents:1 x PH TesterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.