Description: This is an electrical tester for testing the pH and chlorine (Cl2) levels in water. Light and handy. No chemical tests and solutions required. Great for simple operations to test water PH and CL2, no more chemicals or no more work. Doesn't take too many steps. The large screen shows the test result for both pH and chlorine levels for easy reading. Material: Plastic Specification: color white Size: Approx. 19 x 12 x 5 cm Power source: 1 x AA battery (not included) PH value in the safe measuring range: 7.2-7.8 Chlorine values in the safe measuring range: 1.2-1.7 ppm Package includes: 1 piece pool water quality tester PH \/ CL2 chlorine testerThe CHDZ team is at your service and we hope you enjoy your life