Purchase the App Kit to add built-in WiFi to your Fastlane Pro. Monitor your workout using, the easy-to-read display mode on your smartphone or tablet. Easily program a swim or run using manual control mode or create and save more advanced workouts with custom time and pace intervals. The app allows you to control your Endless Pools using any smart device, acting as a smart display allowing you to see your swim speed and duration while in your pool. It contains guides in the app to help you with basic functionality including: setup, swim current, and workout modes. Designed exclusively by Endless Pools, the app brings the benefits of High-Intensity Interval Training (HIIT) to your pool. Multiple published studies have found HIIT to be an effective way to make rapid health and performance gains. You can use the Endless Pools Fit@Home app to program your own HIIT workout: for example, 30 seconds at a leisurely pace/20 seconds moderate/10 seconds all-out, for five rotations. Device not included.