Features： 1、Large and clear display screen, easy to read the displayed value 2、4 in 1 multifunctional water tester, test the pH, TDS, EC and temperature at the same time 3、Highly efficient and accurate due to its advanced 3-point auto calibration 4、Lightweight and portable design, convenient for indoor and outdoor use 5、Applicable for garden, home, laboratory, farm, aquarium, etc Specification： Features: 1. Large and clear display screen, easy to read the displayed value. 2. 4 in 1 multifunctional water tester, test the pH, TDS, EC and temperature at the same time. 3. Highly efficient and accurate due to its advanced 3-point auto calibration. 4. Lightweight and portable design, convenient for indoor and outdoor use. 5. Applicable for garden, home, laboratory, farm, aquarium, etc. Specification: Condition: 100% Brand New Item Type: Water Quality Tester Material: ABS Color: As pictures shown Temperature Compensation: Automatic temperature compensation 0-60 DegreeC Battery: 3 * 1.5V (Button Battery, Not Included) Auto power off: 5 minutes Size: Approx. 18 * 3.5 * 3.5cm / 7.1 * 1.4 * 1.4in Weight: Approx. 160g / 5.6oz Specification pH TDS EC Temperature Range 0.00-14.00pH 0-19990ppm 0-19990 μS/cm / solution 0.01pH 1ppm 1μS/cm / Accuracy ±0.05ph ±2% ±2% ±0.5℃ Package list: 1 * Tester Note: Batteries and powder are not included. 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. Package List：