Tuya intelligent water quality tester, real-time monitoring of PH, total dissolved solids, EC, S.G, salinity and water temperature, makes your water more assured. Features: 6 in 1: Multifunctional water quality tester, real-time monitoring of PH, total dissolved solids, EC, S.G, salinity, water temperature, making your use safer. Reliable Quality: High-accuracy probes are used, corrosion-resistant, long service lifespan, quick response, and more stable data. Support pH calibration. APP Control: Support to connect to Tuya APP via WiFi, you can view current or historical data directly on the phone, alarm for abnormal data, etc. Data Upload: The detector can upload data in real time. You can view daily, weekly, and monthly data to easily grasp the water quality. Wide Application: Multi-parameter intelligent water quality detector, strong practicability, very suitable for aquarium, aquaculture, swimming pool, drinking water, laboratory, etc. Specifications: Color: Green Material: ABS Plug: E U / U S(optional) Input Voltage: 220 V / 110 V(optional) Range: EC: 0-19000us/c m, 0-199.0ms/c m PH: 0.00-14.00pH TD S: 0-19990ppm, 0-199.0ppt SALT: 0-199.9ppt, 0%-20% S.G: 0.990-1.400 Temp: 0-50 (32-122) Resolution: PH: 0.01pH EC: 1us/c m (<1000us/c m), 10us/c m (>1000us/c m), 0.1ms/c m TD S: 1ppm(<1000ppm), 10ppm (>1000ppm), 0.1ppt SALT: 1ppm(1000ppm), 10pm(>1000pm), 0.1ppt, 0.01% S.G: 0.001 Temp: 0.1(0.2) Accurac: pH: +0.03H EC/TD S/SALT: ±2%F.S Temp: ±1.0 Temperature Compensation: 0°C-50°C Operating Temperature: 0-50°C Item Size: 130 * 77mm/ 5.1 * 3.0in Package Size: 290 * 240 * 55mm/ 11.4 * 9.4 * 2.2in Package Weight: 820g/ 28.9oz Packing List: 1 * Water Quality Tester 1 * Power Cable 1 * Bracket 1 * Manual