1Water Quality Tester: Compatible for iOS and for Android phone via for Tuya app. It allows for wireless remote monitoring. APP support for device sharing and group creation, with offline reminder function. 2Multifunctional: Professional PH, EC, total dissolved solids, S.G, TEMP 5 in PH supports 6.86, 01, 9.18, 7.00, 00, and 10.00. Supports 2 calibration methods and the function of exporting data via email in intervals of every hour, day, week, and month. 3Accurate and Easy Readig: PH temperature meter can read accurate data quickly and easily. Big digital display for easier reading. 4Wide Application: You can use this tool to monitor any type of water may it be in your aquarium, swimming pool, spa, laboratories, hospitals, hydroponics, agricultural, industrial, and also field water analysis procedure. 5Multi Language Support: Supports Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish.1 x Water Quality Tester1 x Plug1 x User Manual1 x Electrode2 x Suction Cup2 x Screw2 x Expansion Plug