The Carbon Premium Elliptical Machine SF-E3982 is an excellent belt driven elliptical machines for home use that lets you take fitness to the next level. Switching between 4 different user profiles allows the entire family to share in the fitness experience. 21 pre-set programs, and 16 different levels of resistance allows for further customization that caters to each user’s fitness levels and goals. Push your cardio fitness and overall total body workouts to new heights with this premium elliptical trainer by Sunny Health & Fitness.