Features: 7 in 1 Water Quality Tester: Multifunctional design, real-time monitoring of PH, ORP, EC, PPM, CF, humidity and temperature, practical to use. Reliable Quality: High-accuracy electrode, detachable design, quick response, corrosion-resistant, wear resistant and can provide long service time. T uya APP Control: Support to connect to T uya 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. 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. Wide Applications: Multi-parameter intelligent water quality detector, strong practicability, very suitable for aquarium, hydroponics, aquaculture, swimming pool, drinking water, laboratory, etc. Specifications: Name: Water Quality Tester 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) Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC100-240V Material: plastic colour: as shown Package Contents: 1 x Water Quality Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.