Polaris IQ904-PS iAquaLink Pool and Spa Combo System Bundle IAquaLink can be used on more mobile device platforms than any other pool control system Complete control, monitor and adjust all equipment controlled by the Aqua Link system Requires an iAquaLink device and an Aqua Link RS or Aqua Link PDA pool and spa control system Multi-language support Requires a quality Wi-Fi signal or Ethernet connection at the iAquaLink device