1Water quality tester is made of high quality materials, very durable and practical, and has a long service life. 2Basic tools to keep your swimming pool or spa free from chlorine and pH ranges. 3Use this digital pool water tester to save time and money, easy to use and get accurate results immediately. 4Moisture balance needs to be correct, otherwise it will affect the skin and eyes. In order to feel comfortable, the pH should not be too acidic or too alkaline. 5Very suitable for the simple operation of testing water PH and CL2, without more chemicals and too many steps. 1 xWater Quality Tester(Battery Not Included)1 x English User Manual1 x Matte Paper Item Type: Water Quality TesterMaterial: Plastic, Stainless SteelColor: GreyPower Supply: 1 x AA Alkaline Battery (Battery Not Included)Weight: Approx. 257g / 9.1oz