[Tuya Smart WIFI Online PH/EC/SALT/ORP/TDS/S.G/TEMP/CF Controller] Download the Tuya app for Wi-Fi connectivity and intelligent real-time data transmission. View current and historical data, receive alerts for abnormal high or low readings, and monitor water quality parameters including pH, EC, SALT, ORP, TDS, S.G, temperature, and CF directly from your smartphone. Connects quickly to your phone for fast and accurate readings. A single mobile app can connect up to 20 devices simultaneously. Devices are automatically named within the app (Device 1, Device 2, etc.), allowing easy access to individual device data. Supports data export via email. Easily export and share measurement data. View daily, weekly, and monthly data trends. Features a user-friendly interface with advanced data management capabilities. Simple operation: Immerse the electrode into water, wait a few seconds, and read results on the LCD screen. Measures pH, EC, SALT, ORP, TDS, S.G, temperature, and CF in one go—no need for multiple tests like with test strips or basic pens. Temperature unit is switchable between Celsius and Fahrenheit. Backlight enabled for clear visibility in low-light conditions. Real-time monitoring via app: Connect via Wi-Fi to enable continuous data transfer. Download the Tuya Smart app, log in, and monitor water quality in real time. Long-term data recording with graphical representation for analysis and decision-making. High-precision replaceable electrode with wide application range. Suitable for pH, ORP, EC, CF, salinity, and temperature testing in fish tanks, aquaculture, drinking water, water sources, hydroponics, aquariums, laboratories, spas, environmental monitoring, swimming pools, and water treatment systems. Measurement ranges: - pH: 0.00–14.00 pH - ORP: -2000 mV to +2000 mV - EC: 0–19000 μS/cm (resolution: 1 μS/cm below 1999; 10 μS/cm above; 0.1 mS/cm) - TDS: 1 ppm (below 1999 ppm), 10 ppm (above 1999 ppm), 1 ppm (below 1999 ppm), 10 ppm (above 1999 ppm), 0.1 ppt - SALT: 0–199.9 ppt, 0%–20%, 1 ppm (below 1999 ppm), 10 ppm (above 1999 ppm), 0.1 ppt, 0.01% - Specific Gravity (S.G): 0.001 - Temperature: 0.1°C (0.2°F) - CF: 0–1999.0 CF, resolution 1 CF Accuracy: - pH: ±0.03 pH - ORP: ±5 mV - EC, TDS, SALT: ±2% F.S - Temperature: ±1.0°C Power: DC 6V Voltage: AC 220V Plug Type: EU plug (suitable for use in Indonesia, Germany, France, Italy, and other EU regions) Color: Black Material: Plastic Package Contents: 1 x Water Quality Monitor (other items not included) Note: Lighting and display differences may cause slight color variations between the product image and actual item. Measurement error allowance: ±1–3 cm.