Feature 1Multiple Functions: The water quality detector can detect the temperature, pH value, salinity, etc. of water, and the detection data is clear. 2Remote Monitoring: The digital water quality detector can be used for remote wireless online monitoring, receiving real time data, automatic storage and convenient use. 3APP WIFI Function: Dual control with APP, pH, TEMP and brine quality online controller. In places without wireless WIFI, you can use your mobile phone to open the hotspot for APP connection. 4Supported Languages: Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean and Spanish are supported, you can use them with confidence. 5Simple to Use: Simply clean the electrode with distilled water, put the pH electrode into the liquid to be measured, gently stir, and read the final value after the number is stable.Item Type: Water Quality ControllerMaterial: ABSGross Weight: 1075g / 37.9ozProduct Size: Approx.16 x 11.5 x 4cm / 6.3 x 4.5 x 1.6inRange: pH 0.00pH - 14.00pHSalinity: 0-199.9 pptTemperature: 0C-50(32F-122F)Resolution: pH 0.01PHSalinity: 1ppm (<1000ppm) 10ppm (>1000ppm) 0.1pptTemperature: 0.1C(0.2F)Alarm Setting Range: salinity 0-20000ppmTemperature Compensation: 0C-50Operating Temperature: 0-50Plug Voltage: 220VFeatures: with WIFI and APP functionsSuitable: for water source, soilless cultivation, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Water Quality Tester1 x Connecting Wire1 x Electrode10 x Accessories1 x InstructionNoteThe electrode must be recalibrated: 1. It is not calibrated for a long time. 2. Regular and long term continuous use. 3. High accuracy is required.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.