Feature: 1. REMOTE MONITORING: Multi parameter water testing meter can realize online wireless remote monitoring, real time data reception and automatic storage. 2. APP CONNECTION HOTSPOT: PH TEMP EC water quality online controller in places where there is no WiFi, you can use your cell phone to open the APP to connect to the hotspot. 3. SUPPORT MULTI LANGUAGE: 3 in 1 water quality monitor supports Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. 4. REAL TIME DATA DETECTION: Multi parameter water testing meter supports real time data detection with high accuracy, long service life and good stability. 5. SCOPE OF APPLICATION: Water quality tester is suitable for water sources, soilless culture, aquariums, laboratories, spas, environmental water, swimming pools, water purification systems, etc. Specification: Item Type: 3 In 1 Water Quality Tester Material: ABS Size: Approx. 16x11.5x4cm / 6.3x4.5x1.6in Range: PH 0.00pH-14.00pH EC 0-19000us/Cm 0-199.0ms/Cm Temperature 0°C-50°C (32°F-122°F ) Resolution: PH 0.01pH EC 1us/Cm (<1000us/Cm) 10us/Cm (>1000us/Cm) 0.1ms/Cm Temperature 0.1°C(0.2°F) Alarm Setting Range: EC 0-20000us/Cm Temperature Compensation: 0°C-50°C Operating Temperature: 0°C-50°C Voltage:220V Features: With WIFI, APP Function Suitable For Water Source, Soilless Culture, Aquarium, Laboratory, Spa, Environmental Water, Swimming Pool, Water Purification System, Etc. Gross Weight: 1075g/37.9oz. Package List: 1 x 3 in 1 Water Quality Tester1 x Connection Cable1 x Electrode10 x Accessory1 x Instruction Manual Note: Electrodes must be recalibrated in the following cases:1. Long periods of non calibration. 2. Regular and long term continuous use.3. High precise is required.Please allow some error due to manual measurement.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.