Key Features: ✔ 3-in-1 Simultaneous Measurement – Displays pH, EC, and temperature at the same time✔ Wi-Fi & APP Connectivity – View real-time and historical data on your phone✔ APP Alarm Function – Set alerts for pH/EC levels✔ Replaceable pH/Temperature Probes – Ensures long-term usability✔ Wall-Mountable – Convenient for continuous monitoring✔ High-Precision Electrode – Ensures accurate readings✔ Fuse Protection – Safeguards against electrical issues✔ LCD Backlit Display – Easy reading in low-light conditions✔ Adjustable EC Units – Supports µS/cm and mS/cm✔ Switchable Temperature Units – ℃ / ℉✔ Easy Calibration – Simple pH and EC calibration process ⚠ Wi-Fi Requirement: The device only works with 2.4GHz Wi-Fi Applications: Hydroponics & Soil-Free Growing Aquariums & Aquaculture Laboratory Testing & Research Swimming Pools & Spas Water Purification Systems Environmental Water Monitoring Industrial & Drinking Water Analysis Specifications: Parameter pH EC Temperature Range 0.00~14.00pH 0~19000us/cm; 0~199.0ms/cm 0~50°C (32~122°F) Resolution 0.01pH 1us/cm(