Description: Materials: Swimming pool water quality tester is made of aluminum metal and plastic, which is strong and wear resistant, ensuring long term performance and reliabilityDesign: Water quality meter has a simple design, is lightweight and portable, and the handheld design improves your measurement efficiencyEasy to use: PH CL2 tester is simple and convenient to use, you can quickly measure the value, saving time and effortFunction: Water testing meter, stable performance, can test PH value and CL2 content, digital display is more convenient for accurate readingWide Application: Check test tool is suitable for home, swimming pool, spa, aquaculture, aquarium and other occasions Specification: Materials: Aluminum Metal and PlasticPH: 5.5-9.0 ph CL2: 0.5-6.0 ppm Size Chart: Total length: 17 cm/6.69 inch Package Includes: 1 Water Quality Meter Note: Please allow slightly errors due to manual measurement.