Feature: 1. Multiple Functions: The water quality detector can detect the temperature, pH value, salinity, etc. of water, and the detection data is clear. 2. Remote Monitoring: The digital water quality detector can be used for remote wireless online monitoring, receiving real time data, automatic storage and convenient use. 3. APP 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. 4. Supported Languages: Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean and Spanish are supported, you can use them with confidence. 5. Simple 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. Specification: Item Type: Water Quality Controller Material: ABS Gross Weight: 1075g / 37.9oz Product Size: Approx.16 x 11.5 x 4cm / 6.3 x 4.5 x 1.6in Range: pH 0.00pH - 14.00pH Salinity: 0-199.9 ppt Temperature: 0°C-50℃(32°F-122°F) Resolution: pH 0.01PH Salinity: 1ppm (<1000ppm) 10ppm (>1000ppm) 0.1ppt Temperature: 0.1°C(0.2°F) Alarm Setting Range: salinity 0-20000ppm Temperature Compensation: 0°C-50℃ Operating Temperature: 0℃-50℃ Plug Voltage: 220V Features: with WIFI and APP functions Suitable: for water source, soilless cultivation, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. . Package List: 1 x Water Quality Tester1 x Connecting Wire1 x Electrode 10 x Accessories1 x Instruction Note: The 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.