The Jacuzzi® ProLink™ Remote monitoring system puts the power to control your J-500™ Collection hot tub in the palm of your hand, from heating up water on your way home to activating maintenance reminders to alerting you and your local dealership of any service needs, all with one app. Requirements: ProLink™ hardware installed on the hot tub is required to operate app: ProLink™ WiFi Module (6600-192) Strong Wi-Fi reception near your Jacuzzi® Hot Tub First year of cloud service for remote opera