Item Type: Water Quality Meter_x000D_Material: ABS_x000D_Temperature Compensation: 0 to 50_x000D_Working Temperature: 0 to 50_x000D_Range: _x000D_PH: 0.00-14.00pH_x000D_EC: 0-19000us/cm, 0-199.0ms/cm_x000D_TDS: O-19990ppm, 0-199.0ppt_x000D_Salt: 0-199.9ppt, 0%-20%_x000D_SG: 0.990-1.400_x000D_Temperature: 0C to 50C (32F to 122F)_x000D_Resolution: _x000D_PH: 0.01PH_x000D_EC: 1us/cm(1000us/cm), 0.1ms/cm_x000D_TDS: 1ppm (1000ppm), 0.1ppt_x000D_Salt: 1ppm (1000ppm), 0.1ppt, 0.01%_x000D_SG: 0.001_x000D_Temperature: 0.1C (0.2F)_x000D_Accuracy: _x000D_PH: 0.03pH_x000D_EC, TDS, SALT: 2%F.S_x000D_Temperature: 1.0 1High Precise Probe: Adopt high precise probe, which is corrosion resistance, has quick response, stable data measurement, and long lasting durability. 2WiFi Connection: The tester can connect to the mobile phone via WiFi, transmit data stably, you can view the current data, historical data on the phone, very convenient. 3Real Time Transmission: Data can be transmitted in real time, daily, weekly and monthly data can be viewed, the water quality can be easily grasped. 4APP Alarm Setting: The App can alarm when the data is abnormally high or low, easy to set via for Tuya, create a smart scene and set the security range, select the alarm method beyond the security range is ok. 5Wide Application: The tester is suitable for water source, soilless culture, aquarium, hydroponics, laboratory, spa, environmental water, swimming pool, water purification system, etc.1 x_x000D__x000D_WaterQualityMeter 2 x Probe 3 x Installation Accessories 1 x Adapter