Water Quality Tester Portable Digital PH Meter Tester Aquarium Pool Water Wine Urine LCD Pen Monitor + Digital LCD Water

Specifications:* Color: Yellow (as shown in the pictures)* Upgraded with Temperature Control (with high accuracy)* Measuring range: 0.0 to 14.0pH* Resolution: 0.1 pH* Accuracy: ± 0.1 pH(at 20℃/68°F)* Typical EMC DEV: ±0.2pH* Temperature compensation: 0℃ to 50℃* Battery: 4*1.5v (AG-13 button battery)* Operating temperature: 0℃ to 50℃(32°F-122°F)* Relative humidity: ＜95%* Life: Approx. 700 hours of useFOC Buffer 4.0 and 6.86 for calibration used