Experience the ultimate in pool maintenance with our 4in1 Swimming Pool Detector. This device is designed to provide precise and reliable readings for pH, temperature, particulate matter (PM), and electrical conductivity (EC), ensuring your condition is always optimal. Multi-Parameter Testing: Simultaneously measures pH, temperature, PM, and EC with high accuracy. Construction: Built to withstand harsh pool environments and provide long-lasting service. User-Friendly Interface: Easy to operate, even for non-technical users, ensuring hassle-free pool management. Upgrade your pool care routine with our advanced, detector and keep your swimming environment safe and pleasant. Power supply: 3*AAA batteries (batteries not included in delivery) Colour:White & Green Material:ABS Package Contents: 1 * water quality tester kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.