Features: Accurated measurement: High measurement accuracy, stable performance, and can quickly read the PH value for you. Portable: Small size, light weight, suitable for outdoor carrying, helpful for detecting pH values and values of different water sources. Sturdy: Wear-resistant, corrosion-resistant, Sturdy, chemical-free, easy to maintain. Versatile Testing: Capable of testing various parameters such as PH levels, chlorine levels, and temperature, providing comprehensive insights into water quality. As a gift: A practical tool, suitable for friends who like outdoor sports and swimming. Notice: *Actual color may be slightly different from the image due to different light effect *Please allow 1-3cm deviation due to manual measurement Material:abs Recommended level for pool and spa is 1.2 to 1.7ppm for chlorine and 7.2 to 7.8 for pH. Package List: 1*Water Quality Detector