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°C 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.