Features 1. Large Screen Display: This pH tester features a large screen display that allows you to read the results quickly and clearly, offering more convenience. 2. High Accuracy: This water quality tester supports 0 to 60 automatic temperature compensation, which eliminates the measurement deviation caused by the solution temperature change. 3. Multi Function: This EC meter supports the measurement of pH, TDS, EC, ORP, SALT, H2, S.G, TEMP, and Fertility. 4. Easy Operation: This pH meter is designed with a simple button layout, which can be easily operated, and it's powered by 3 pieces of LR44 button batteries (battery not included). 5. Wide Application: This water pH tester is suitable for agriculture, aquarium water, hydroponics, swimming pools, food salinity, and drinking water. Specification Item Type: pH Tester Material: ABS EC Measuring Range: 0 to 10000 µs/cm, 10.1 to 200 ms/cm H2 Measurement Range: 0 to 2400 ppb, 0 to 2.400 ppm pH Measurement Range: 0.00 to 14.00 pH S.G Measuring Range: 1.000 to 1.222 Water Quality TDS Value: 0 to 10000 ppm, 10.1 to 200.0 ppt Seawater SALT Value: 0.01% to 25.00%, 0 to 10000 ppm, 10.1 to 200.0 ppt Salinity Value: 0.01% to 25.00%, 0 to 10000 ppm, 10.1 to 200.0 ppt Convertible Temperature Unit: 0 to 60°C / 32 to 140°F Batteries: 3 x LR44 1.5V Button Batteries (Battery Not Included) 10-in-1 Functional Measurement: pH, TDS, EC, ORP, SALT, H2, S.G, TEMP, and Fertility Product Length: Approx. 185 mm / 7.3 in (Manual Measurement, Slight Error May Exist) Package List 1 x pH Tester 1 x User Manual 4 x Powder Bag