Fast and accurate pH measurement: Get fast and reliable pH values with this water quality tester in a convenient pen format. Its advanced sensor technology ensures accurate measurements within a pH range of 0-14. Easy to use: Simply dip the electrode into the water sample and see the result immediately on the clear LCD display. No need for complicated calibration procedures, making it easy to use for both professionals and hobbyists. Wide range of applications: This versatile pH meter is ideal for a variety of applications, such as testing the pH balance in swimming pools and aquariums, of various water sources and much more. Its compact design makes the pH meter convenient to take wherever you need it. Specifications: Color: Gray Size: Length 18.3 cm, diameter 3.7 cm Material: ABS, electronic components Measuring range: pH 0-14 Measurement accuracy: 0.05 Applicable uses: Swimming pools, aquariums, pools, spas, irrigation, drinking water and other water sources Package includes: pH test pen x1 User manual Accurate pH measurement with an accuracy of 0.05 Easy calibration and use Wide measuring range between 0-14 pH value Suitable for aquariums, pools and more