The latest evolution of state-of-the-art climbing machines, the 4600PT FreeClimber delivers a vigorous cardio workout in the comfort of your own home with just a 110v power cord. The 4600PT is outfitted with an electronically controlled alternator with a chain drive that precisely controls the pedal descent, letting a wide range of users find the perfect workout pace for their fitness level. The patented independent pedal geometry, meanwhile, keeps the pedals level throughout, ensuring a biomechanically correct movement that won't strain your muscles over the long term. And thanks to the cushioned, one-piece foot pedals, the side handrails, and the easy-grip upper-body handles, almost anyone can find a comfortable stepping position.