Feature: 1. 7in1 Water Quality Tester: Multifunctional design, real-time monitoring of PH, ORP, EC, PPM, CF, humidity and temperature, practical to use. 2. Quality Electrode: High-accuracy electrode, detachable design, quick response, corrosion-resistant, wear resistant and can provide long service time. 3. 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, and with abnormal high and low data alarm function. 4. Long Data Record: The application support real time check the data, and you can see the historical data recorded for a long time, easy to compare and analyze, and easy to develop solutions. 5. Wide Applications: Multi-parameter intelligent water quality detector, strong practicability, very suitable for aquarium, hydroponics, aquaculture, swimming pool, drinking water, laboratory, etc. Specification: Name: Water Quality Tester Material: ABS Measurement ranges: PH: 0.00-14.00pH ORP: -1200mV to 1200mV EC: 0.00-19.00mS/c m, 20.1-200.0mS/c m CF: 0.1-199.9CF Humidity: 1-99%RH Temperature: 0.1℃-80℃ (32.1℉-176℉) Item size: 150 * 80mm / 5.91 * 3.15in Package size: 250 * 180 * 70mm / 9.84 * 7.09 * 2.76in Package weight: 475g / 1.05lb Package List: 1 * Water Quality Tester