Feature 1Removable Electrode: The water quality monitor is equipped with removable electrode, and one electrode can measure 7 values, PH, ORP, EC, PPM, CF, humidity, temperature. 2Wifi Function: Wifi connection, stable data transmission, downloading applications to view current and historical data anomalies, high and low data alarms on mobile phones, etc. 3For Tuya APP: The for Tuya application program can view in real time, record data for a long time, facilitate comparison and analysis, and develop solutions. 4Premium ABS: This meter is made of premium ABS that is durable but please note that it is not waterproof. Please do not let the tester get water or damp during use, otherwise the tester may not work normally. 5Applications: This water quality tester is applicable to aquaculture, aquarium, fish pond, hydroponics, drinking water, laboratory, water treatment.Item Type: Water Quality MonitorMaterial: ABSGross Weight: 608g/21.4ozRange:EC:0.00-19.99mS/cm, 20.1-200.0mS/cmTotal Dissolved Solids: 0-9990ppm, 10.1-100.0pptCF: 0.1-199.9CFPH Value: 0.01-14.00pHORP:-1200mV-+1200mVAir Humidity: 10percenst RH-99percenst RHTemperature: 0.1-60.0, 32.1-140.0Calibration:EC TDS: 1413pS/cm, 12.88mS/cm, 111.8mS/cmPH Value: 6.86/4.00/9.18 or 7.00/4.00/10.01RS485 3178: With 485 moduleFunction: Supporting for Tuya APP WiFi functionMulti Parameter Seven in One Measurement: PH value, conductivity, TDS, humidity, CF, temperature; Automatic calibration is supported.Applications: Aquaculture, aquarium, fish pond, hydroponics, drinking water, laboratory, water treatment. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Water Quality Monitor1 x Electrode1 x Power Plug5 x Test Powder Pack1 x Instruction Manual2 x Suction Cup1 x SupportNoteThis tester is not waterproof. Please do not let the tester get water or damp during use, otherwise the tester may not work normally.