Get effective, low-impact full body cardio at home with the Sunny Health and Fitness Smart Foldable Stair Climber. Its adjustable step range and quiet operation make it ideal for small spaces and users who want gentle yet effective movement. Supportive balance-assist cords make starts feel easier—great for beginners—while smoothing cadence and adding light upper-body engagement. An extended step range supports 8.9-21.5" step length so you can go long for max activation or short for joint-friendly endurance. Connect to the free SunnyFit App for guided stair programs, real-time metrics, scenic routes, and Ai-personalized plans. A stable triangular frame supports 330 lbs, folds flat for easy storage, and features 4-level handlebars, an Lcd screen (time, calories, steps, Spm, total count), and a secure device holder. Est. in sunny California since 2002, our U.s.-based team supports your “Fit for Everyone” journey.