Feature 1REMOTE MONITORING: Multi parameter water testing meter can realize online wireless remote monitoring, real time data reception and automatic storage. 2APP 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. 3SUPPORT MULTI LANGUAGE: 3 in 1 water quality monitor supports Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. 4REAL TIME DATA DETECTION: Multi parameter water testing meter supports real time data detection with high accuracy, long service life and good stability. 5SCOPE OF APPLICATION: Water quality tester is suitable for water sources, soilless culture, aquariums, laboratories, spas, environmental water, swimming pools, water purification systems, etc.Item Type: 3 In 1 Water Quality TesterMaterial: ABSSize: Approx. 16x11.5x4cm / 6.3x4.5x1.6inRange: PH 0.00pH-14.00pHEC 0-19000us/Cm 0-199.0ms/CmTemperature 0C-50C (32F-122F )Resolution: PH 0.01pHEC 1us/Cm (<1000us/Cm) 10us/Cm (>1000us/Cm) 0.1ms/CmTemperature 0.1C(0.2F)Alarm Setting Range: EC 0-20000us/Cm Temperature Compensation: 0C-50COperating Temperature: 0C-50CVoltage:220VFeatures: With WIFI, APP FunctionSuitable For Water Source, Soilless Culture, Aquarium, Laboratory, Spa, Environmental Water, Swimming Pool, Water Purification System, Etc.Gross Weight: 1075g/37.9oz .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 3in1WaterQualityTester1 x Connection Cable1 x Electrode10 x Accessory1 x Instruction ManualNoteElectrodes 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.