High Quality: Made of premium plastic, durable and sturdy, and has a long service life. Easy to use, no more need for traditional chemicals. This provides consistent readings regardless of temperature fluctuations; high and low alarms outside the parameters, and data logging with software. Easy to Use: Easy to use, no more need for chemicals. The high-precision algorithm chip and electrode of our digital water pH tester ensure an accurate and fast response. A practical tool for testing water pH and chlorine levels for swimming pools and spas. Health Protection: This electronic pH and chlorine tester is a practical tool for testing water pH and chlorine levels for swimming pools and spas, ideal for simple operations to test pH and CL2 water, no more chemicals or guesswork. Large Screen: Large screen displays the test result of pH and chlorine levels for easy and accurate readings. The design ensures you can read the measurement results under any conditions. The one-button reading