Digital Ph Meter Water Tester Pocket Aquarium Pool Wine Urine LCD Pen Monitor

Specifications: * Color: Yellow, black(as shown in the pictures) * 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 use * Trimming: By potentionmeter * Dimensions: 150*29*20mm * Net weight: 52g