Features: 1Suitable for aquaculture, industry and agriculture, food manufacturing, swimming pool, aquarium, laboratory, paper industry and so on. 2PH value within 0-14PH can be measured with high accuracy up to 0.01PH. 3Large screen and waterproof design, it is easy to measure and observe the data. 4Compact pen-shape design, lightweight for mobility, you can test anywhere you want. 5All readings are automatically temperature compensated to ensure the accurate testing and long service life. Condition: 100% Brand New Item Type: PH Tester Material: ABS Measuring Range: 0.00-14.00ph Accuracy: 0.01PH Resolution: 0.1 Operating Temperature: 0-50 Automatic Temperature Compensation: 0-50 Battery: 4 x 1.5V LR44 (not included) Size: Approx. 186 x 37 x 19mm / 7.3 x 1.5 x 0.7in Weight: Approx. 280g / 10oz Package included:1 x PH Tester1 x Instruction1 x Screwdriver