Features1Large Screen Display: This PH tester features large screen display that allows you to read the results quickly and clearly, offering more convenience. 2High Accuracy: This water quality tester supports 0 to 60 automatic temperature compensation, which eliminates the measurement deviation caused by the solution temperature change. 3Multi Function: This EC meter supports the measurement of PH, TDS, EC, ORP, SALT, H2, S.G, TEMP, , and Fertility. 4Easy Operation: This PH meter is designed with simple buttons layout, which can be easily operated, and it's powered by 3 pieces of LR44 button batteries(battery not included). 5Wide Application: This water PH tester is for agriculture, aquarium water, hydroponics, swimming pool, food salinity and drinking water.SpecificationItem Type: PH TesterMaterial: ABSEC Measuring Range: 0 to 10000us/cm, 10.1 to 200ms/cmH2 Measurement Range: 0 to 2400ppb 0 to 2.400ppmPH Measurement Range: 0.00 to 14.00PHS.G Measuring Range: 1.000 to 1.222Water Quality TDS Value: 0 to 10000ppm 10.1 to 200.0pptSeawater SALT Value :0.01% to 25.00%, 0 to 10000ppm, 10.1 to 200.0pptSalinity Value: 0.01% to 25.00%, 0 to 10000ppm, 10.1 to 200.0ppt / Convertible Temperature Unit, 0 to 60 /32 to 140Batteries: 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. 185mm / 7.3in ( Manual Measurement, Slight Error May Exist )Package List1 xPH Tester 1 x User Manual 4 x Powder Bag