Specifications: - pH Range: 0.0 to 14.0 pH - pH Resolution: 0.1 pH - pH Accuracy: ±0.1 pH - pH Calibration: Automatic, one or two points - pH Temperature Compensation: Automatic, 0 to 50 °C (32 to 122°F) - Temperature Range: 0 to 50 °C (32.0 to 122.0°F) - Temperature Resolution: 0.1 °C / 0.1 °F - Temperature Accuracy: ±0.5 °C / ±1.0 °F - Automatic Shut-Off 8 minutes, 60 minutes, or disabled - Battery Type/Life: CR2032 3V Li-Ion (1 pc.) / approximately 800 hours of use - Environment: 0 to 50°C (32 to 122°F); RH max 100% - Dimensions: 160 x 40 x 17 mm (6.3 x 1.6 x 0.7“) - Weight: 65 g (2.3 oz.) without battery