Features: 5 in 1 Water Quality Tester: Multifunctional design, real-time monitoring of PH, Total Dissolved Solids, S.G, EC, and temperature, high-accuracy and quick response, practical to use. Tuya APP Control: Support to connect to Tuya APP via WiFi, with stable data transmission, you can download APP to view current or historical data directly on the cellphone. The APP is compatible with for iOS and Android systems. Long Data Record: The application support check the real time data, and you can see the recorded historical data , easy to compare and analyze, and easy to develop solutions. Data Output in Excel Sheet: Data in hour/dav/week/month is sent to the mailbox in the form of excel sheet. Download after sending email. Wide Applications: Multi-parameter intelligent water quality detector, strong practicability, very suitable for aquarium, hydroponics, aquaculture, swimming pool, drinking water, laboratory, etc. Tuya Wifi intelligent 5in1 water quality tester, detachable multifunctional electrode design, real-time monitoring of PH, Total Dissolved Solids, S.G, EC, and temperature. Support to connect to Tuya APP via WiFi, with stable data transmission, you can download APP to view current or historical data directly on the cellphone. Data in hour/dav/week/month is sent to the mailbox in the form of excel sheet. Download after sending email. Suitable for aquarium, hydroponics, aquaculture, swimming pool, drinking water, laboratory, etc. Specifications: Name: Water Quality Tester Measurement ranges: PH: 0.00-14.00pH Total Dissolved Solids: 0-19900ppm, 0-199.0ppt EC: 0-19900us/c m, 0-199.0ms/c m S.G: 0.990-1.400 Temperature: 0℃-50℃ (32℉-122℉) Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. voltage: AC110V Material: plastic colour: dark grey Package Contents: 1 x