Product description: Type: Portable water quality analyzer Supply voltage: 1.5 Measuring range: 7.2-7.8 Test items: pH, chlorine Measurement accuracy: 0.1 Applicable scene: swimming pool Package includes: 1 * water quality detector Description: PH / CL2 Water Quality Tester - This water quality tester is used to test the pH and chlorine levels for swimming pools and spas, large screen quickly shows the test result with high precision. Lightweight and compact, easy to carry. Tips: When measuring the chlorine value, you must match the standard solution with a CL value of 1.5 ppm, which is not on the packing list. Measuring range - The large screen shows the test result at pH and chlorine levels for easy and accurate reading. Chlorine content in the safety measuring range: 1.2-1.7 ppm. PH value in the safe measuring range: 7.2-7.8. Usage - This tester is used to test water pH and chlorine levels for swimming pools, saunas, aquariums and spas. Ideal for drinking around the house, at the fish pond, etc. Material - This test measuring device is made of a high-quality plastic shell, is durable and robust. Battery: 1 " AA " 1.5 V alkaline battery (not included).