2 in 1 Water Quality PH & Chlorine Level CL2 Test Meter for Swimming Pool Spa Drinking Water Quality Analysis 40JEOOTDTY MonitorFeatures: Made of premium plastic shell, durable and sturdy. Before using this tool for the first time, pls need to adjust the tester to the test point. The large screen displays the test result at pH and chlorine levels for easy and accurate reading. Lightweight and compact with a hole for comfortable hanging, easy to carry. A convenient tool for testing water pH and chlorine levels for your pool and spa. Specification: Material: Plastic Power Supply: 1 x 1.5V AA Batteries (Not Included)Recommended Chlorine Level for Pools and Spas: 1.2 -1.7ppmRecommended pH Level for Pools and Spas: 7.2 -7.8pHPead Includes: 1x Water Quality TesterNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.