Feature: Suitable for water sources, aquariums, hydroponics, spas, swimming pools and other water systems. 3 in 1 multifunctional water tester, test the pH, TDS and temperature of any liquids. Large LCD display, easy to read 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 (0C~60C). Speciation: Material: ABS Battery: 3pc 1.5V button battery(Not included) Size: 18.3*3.7cm / 7.2*1.5inch (Approx.) Specification pH TDS Temperature Range 0.00-14.00PH 1-19999S/cm 0-60 Resolution 0.01ph 1PPM / Accuracy +-0.05ph +-2% +-0.5 Package list: 1 * Water Meter(Battery not included) Note: 1. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 2. The product is shipped without powder.1Suitable for water sources, aquariums, hydroponics, spas, swimming pools and other water systems. 23 in 1 multifunctional water tester, test the pH, TDS and temperature of any liquids. 3Large LCD display, easy to read the displayed value. 4Highly efficient and accurate due to its advanced microprocessor technology. 5Lightweight and portable design, convenient for indoor and outdoor use.