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 0-60C 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 S/cm / solution 0.01pH 1ppm 1S/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.1Large and clear display screen, easy to read the displayed value 24 in 1 multifunctional water tester, test the pH, TDS, EC and temperature at the same time 3Highly efficient and accurate due to its advanced 3-point auto calibration 4Lightweight and portable design, convenient for indoor and outdoor use 5Applicable for garden, home, laboratory, farm, aquarium, etc