Features:The WiFi online Water quality analyzer allows you to real time monitor the PH/EC/TDS/SALT/S.G/CF/ORP/Temperature via your smartphone on the APP(for free), it is compatible with ios and Android system, perfect for 24 hours online monitoring.Widely used to test thePH/EC/TDS/SALT/S.G/CF/ORP/Temperature of water.Test temperature in ?? / ?H(switchable unit).Can online monitoring for a long time.Clear LCD with backlight, 3 results displayed simultaneously.Automatic temperature compensation.Easy to use and provides instant display of results.Apply in water sources, soil-free growing, aquarium, hydroponics, laboratory, spas, environment water, swimming pools, water purification systems, etc.APP Language Selection: English, French, German, Russian, Japanese, Korean, Spanish, Chinese, Traditional Chinese (Only supports Chinese and English in offline state).