Features 1、Suitable for water sources, aquariums, hydroponics, spas, swimming pools and other water systems. 2、2 in 1 multifunctional water tester, test the pH and temperature of any liquids. 3、Large LCD display and data hold function, easy to read and record the displayed value. 4、Highly efficient and accurate due to its advanced microprocessor technology. 5、Lightweight and portable design, convenient for indoor and outdoor use. Specifications Feature: Suitable for water sources, aquariums, hydroponics, spas, swimming pools and other water systems. 2 in 1 multifunctional water tester, test the pH and temperature of any liquids. Large LCD display and data hold function, easy to read and record the displayed value. Highly efficient and accurate due to its advanced microprocessor technology. Lightweight and portable design, convenient for indoor and outdoor use. Automatic temperature compensation (0°C~50°C). Speciation: Material: ABS Battery: 4pc 6V AG-13 button battery(Not included) Temp compensation: Automatic temperature compensation(0-50℃） Auto power off: 10 minutes Environment temperature: 0-50℃ ℃/℉switchable: Yes Hold function: Yes Display: pH value and temperature Size: 3.8*19cm / 1.50*7.48inch (Approx.) Specification pH Temperature Range 0.00-14.00PH 0-50℃ Resolution 0.01ph / Accuracy +-0.05ph +-0.5℃ Calibration 3 point:4.01;6.86;9.18 / Package list: 1 * Water Meter(Battery not included) Package List