Clear and intuitive readings on a large screen for accurate acid and alkali measurement in various industries. Easy to replace and durable button battery, with recalibration needed after battery replacement. High-sensitivity glass probe delivers accurate and quick signals. Small and portable design with a clip for easy carrying to the pool, travel, beach, or camping. Automatic temperature compensation function adjusts according to water temperature and quality. Item Name: PH Tester Material: ABS Test Range: 0-14.0PH Accuracy: 0.01PH Error: ±0.05PH Battery: 2 x 1.5V (LR44) Button Batteries (Included) Warm Compensation: 0 Degree Celsius to 50 Degree Celsius Operating Temperature: 0 Degree Celsius to 50 Degree Celsius Features: 0.01 Resolution, High Accuracy, with ATC 0-14 PH Measurement Range Size Details: L: 15.5cm/6.1", W: 3.1cm/1.22", H: 1.8cm/0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x PH Tester