Features: Made of premium plastic shell, durable and sturdy. Easy to use, no more chemicals needed. A handy tool for testing water pH and chlorine level for swimming pools, spas, aquariums, hydroponics and other water systems. A large screen displays the test result on pH and chlorine level for easy and accurate reading. Lightweight and compact, easy to carry. With a hole for convenient hanging. Specifications: Item Name: Water Quality Tester Main Material: ABS + Metal Color: White Battery: 1AA (not included) Recommended Chlorine Level for Pools and Spas: 1.2~1.7ppm Recommended pH level for swimming pools and spas: 7.2~7.8PH Product size: 170115*30mm Product weight: 200g Note: * Please read the attached instructions carefully before using the tester. * Please do not immerse the probe in any liquid other than pool or spa water. * There may be some deviation due to manual measurement or slight color difference due to photography condition. Thanks for understanding. Package