Jandy AquaLink 3.0 Upgrade Kit with RS-PS8 PCB, Bezel, CPU allows you to control your pool anytime, anywhere. Using our free app for your smartphone or web-connected device, you can control all the elements of your pool or pool/spa system, even when you’re on the go. iAquaLink can be used on more mobile device platforms than any other pool control system. Mobile web app works on virtually any other smart device. iAquaLink is easy & convenient on the golf course or on the go, control your pool anytime, anywhere with iAquaLink. Most intuitive and user-friendly mobile pool controller ever. iAquaLink can be used alone, or combined with the complete line of wall-mounted or wireless AquaLink interfaces. User accounts can be created in minutes, used immediately, and the service is free. Control multiple pools from a single app. Have the pool or spa ready to use as soon as you get home.