1. Display: LCD digital display 2. Battery: 3x1.5LR44 button battery (delivered with battery) 3. Display size: 3.3x2.4 cm 4. pH test range: 0.01-14.00pH 5. Resolution: 0.01pH 6. ORP test range: 990-1008mV 7. Resolution: 1mV 8. H2 test range: 0-2400ppd; 0.001-2.400 9. Resolution: 2ppb; 2ppm 10. Temperature test range: 0.1-60.0 degrees Celsius 32.0-140 degrees Fahrenheit 11. Automatic shutdown: 5 minutes 12. Waterproof rating: IP67 13. Dimensions: 18.3x3.7x3.7 cm 14. Net weight: 98 grams 15. Matters needing attention: Every time you use it up, you must clean the electrode
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