Features1Multi?functional water quality detector, can be used to measure the pH, EC and temperature of solution. 2Automatic temperature compensation, can replace the electrode probe, and calibrate pH and EC with a miniature screwdriver. 3Equipped with LCD display, supports backlight function, and can visually display measurement results. 4Suitable for water sources, aquariums, hydroponics, laboratories, hot springs, swimming pools and other water systems. 5The temperature measurement range is ?50?70 (?58?158), which can withstand harsh conditions.SpecificationItem Type: PH TesterMaterial: PlasticMeasuring Range: PH: 0.00-14.00pHEC: 0-19990us/CmTemperature: -50-70(-58-158)Resolution:PH: 0.01pHEC: 10us/cmTemperature: 0.1 (0.2)Accuracy:PH: 0.1pHEC: 2%F.STemperature: 1 (2)Battery Information: 4 x 1.5V (AG-13) (Battery Not Included)Temperature Compensation: 0-50Weight: Approx. 159g / 5.6ozHow to Use: Install the battery (not included), open the cover and put the measuring head into the liquid to be measured, the value can be displayed in a momentPackage List1 x Host (Battery Not Included) 1 x Manual