The CloudControl 2™ spa control system by Bullfrog Spas is a cloud-based and WiFi enabled digital control system that lets you monitor and operate your spa from anywhere you have a WiFi or digital cellular signal. CloudControl 2™ allows you to to adjust your spa temperature, monitor your spa, adjust settings, or use as a secondary control for critical spa functions, all from your smartphone, web-enabled device or tablet. With the CloudControl 2™ module installed on your Bullfrog Spa, and your CloudControl 2™ home transmitter connected to your wireless router/modem at home, along with this application, you can easily ensure that your hot tub will always be ready when you are, whether you are at home, away on vacation, or planning for relaxation later. Spa and Home Hardware Requirements: Any Bullfrog Spa or STIL brand spa, model year 2019 or newer CloudControl 2™ RF module and home transmitter (Part Number: 65-01028) Home internet service with modem/router in general proximity to your spa