Features 1、High Quality: The residual chlorine detector adopts a high quality ABS case, which is waterproof, comfortable, durable, sturdy, and has a long service life. 2、Easy to Read: The screen displays the test results of pH value and chlorine content, and the reading is convenient and accurate. 3、High Accuracy Chlorine PH Tester: 7.2‑7.8ph detection range, 1.2‑1.7ppm chlorine detection range. It is suitable for homes and spas to detect chlorine and PH value. 4、Easy Operation: Chlorine PH detector requires no chemicals or guesswork and is simple to operate to obtain accurate values. It is easy to carry and light in weight. 5、Widely Application: The water quality tester is suitable for many places. Can be used at home, swimming pool, spa, hot springs make your water safe, comfortable and corrosion free. Item Type: PH Chlorine Water Quality Tester Material: ABS Weight: Approx. 226g / 8.0oz Battery: 1 x AA Battery (Shipped Without Battery) Package List 1 x PH Chlorine Water Quality Tester 1 x Manual 1 x Abrasive Paper