Feature: 1. WIRELESS WIFI FEATURE: Our product is worked with compatible with Tuya APP, compatible with smartphones, allowing compatible with wireless and remote monitoring of your hydroponic water quality. Stay connected and monitor your water from anywhere. 2. MULTILINGUAL SUPPORT: The device supports multiple languages including Chinese, Traditional Chinese, English, French, German, Russian, Japanese, and Korean, ensuring ease of use compatible with users from different regions. 3. PH CALIBRATION: With two calibration methods available, our device supports PH calibration at 6.86, 4.01, and 9.18 or 7.00, 4.00, and 10.00, providing accurate and reliable water quality analysis. Export data to your email in various intervals and stay updated on your water. 4. COMPREHENSIVE WATER ANALYSIS: Our device offers PH, TDS, Salt, S.G., and Temperature monitoring all in one, providing you with a comprehensive picture of your hydroponic system's water quality. Make incompatible withmed decisions compatible with optimal water. 5. EASY TO USE APP: The APP not only allows you to remotely monitor your device but also enables device sharing and group creation. Never miss a beat in your hydroponic system with offline reminder functions. Stay connected and grow with ease. Specification: Item Type: Water quality parameter Material: ABS Weight: Approx. 492g / 17.4oz Range: pH 0.00pH to 14.00pH TDS: 0 to 19900ppm, 0 to 199.0ppt Salinity: 0 to 199.0 ppt S.G: 0.990 to 1.400 Temperature: 0℃-50℃ (32°F-122°F) Resolution: PH: 0.01 pH TDS: 1 ppm (<1999 ppm), 10 ppm (>1999 ppm) 0.1 ppt Salinity: 1 ppm (<1999 ppm), 10 ppm (>1999 ppm) 0.1 ppt S.G: 0.001 Temperature: 0.1℃ (0.2°F) Accuracy: pH: ±0.1 H; EC, TDS, Salinity: ±2% F.S Temperature: ±1.0℃ Temperature compensation: 0℃-50℃ Operating temperature: 0℃-50℃ . Package List: 1 x Water Quality Meter1 x Plug1 x Manual1 x Electrode2 x Suction Cup2 x Screw2 x Expansion Tube