Features: 1.Easy to operate, no more chemicals required 2.Light weight, compact structure, easy to carry 3.A handy tool that can be used to test the pH and chlorine content of water in swimming pools and spas 4.The large screen displays the test results of pH and chlorine content for easy and accurate reading It is used to test the pH value and chlorine (Cl2) content in water, and to routinely monitor the pH value and chlorine content in swimming pools, spas and various water sources. Specification: Condition: Item Type: Water Tester Material: ABS PH Range: 5.5-9.0ph CL2 Range: 0-3.0ppm Battery: 1 x AA 1.5V Alkaline Battery (Battery Not Included) Uses: Swimming Pool Water Quality Tester, PH Test Pen Recommended Chlorine Content for Swimming Pools and Spas: 1.2-1.7ppm Recommended PH for Swimming Pool and Spa: 7.2-7.8ph Weight: Approx. 265g / 9.3oz Product Size: Approx. 180x125mm / 7.1x4.9in Test Lead: Approx. 150x20mm / 5.9x0.8in Package included: 1 x PH and Cl2 tester with probe 1 x user manual Note: Due to different lighting in the photos and differences in monitors, the pictures may not reflect the actual colour of the object. Please make sure you don't mind before ordering, thank you!