DescriptionThis is a professional pool water quality tester. Made from premium material, it is high-quality and durable for long time use. Suitable for PH and chlorine level in the swimming pool. With large screen display, it is convenient and easy to operate. It doesn't need too many steps.Features- Color: As Shown.- Material: Plastic. - Size: About 12.00X17.00X5.00cm/4.72X6.68X1.97in. - Swimming pool/SPA recommended CL2 content: 1.2-1.7 ppm. - Swimming pool/SPA recommended PH value: 7.2-7.8 ppm. - Made of material, the tester is practical, durable and lasting for use. - With large screen display, it is convenient and easy to operate. - for simple operations to test water PH and CL2, no more chemicals, or no more work. It doesn't need too many steps. - Suitable for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources. - Light weight and easy to carry. Keep you informed of water quality.