1. Construction: Crafted with a durable plastic shell, this tester ensures a long lifespan. Its sensitive electrode sensor provides accurate readings displayed on a large screen for both pH and chlorine levels. 2.Professional Grade pH and Chlorine Meter: The large screen clearly presents test results for pH and chlorine levels. It measures chlorine within a safe range of 1.2 1.7 ppm and pH levels between 7.2 7.8, with an accuracy of ±0.5 pH. 3.Portable and Convenient: Designed to be lightweight and portable, this meter is for both indoor and outdoor use. It requires no chemical agents and ensures easy maintenance, allowing you to keep your pool or spa water safe and from corrosion. 4.UserFriendly Operation: Simply follow the instructions in the manual for quick and easy learning. This tool is designed for hassle testing of pH and chlorine levels in water without the need for chemicals or additional tools. Results are available in an instant.