KY-8609 is a high-performance, ergonomic, natural-moving, quiet-running commercial mountain climbing fitness machine. Allows users to exercise smoothly and comfortably. Provides beneficial, low-impact cardio options for all exercisers.The GANAS Stepper combines the common dependent stepping motion with an arched step bar design and an impressive 16" maximum step height for an effective lower body workout. The narrow 2" step spacing (Q-factor), large cushioned pedals and sturdy handrail design combine to give you an extremely comfortable and space-saving cardio machine. A USB charging port allows for charging of its devices. Conveniently located hand pulse grip sensors monitor heart rate on demand.