RX4405 TREAD CLIMBING TRAINERMuch like the original RX4400, the smaller RX4405 APEX 2 will shatter your definition of what a workout is. The one-of-a-kind engineering combines Ropeflex trusted progressive resistance technology with the ultra-effective cardiovascular benefits of an incline treadmill. Its versatile engineering is well-suited for beginner, intermediate, and advanced users, alike. APEX 2 provides a unique combination of ergonomic, natural, and functional movements as well as the benefits of low-impact weight-bearing incline training and continuous resistance. Used properly, APEX 2 is as safe as walking but it is up to 3 times more effective than conventional resistance training and cardio combined! PROGRESSIVE RESISTANCE: Automatically adjusts resistance from 30lbs up to 450lbs, based on pulling speed and intensity TRANSPORT WHEELS: Equipped with a 4-wheel retractable system the RX4400 is easy to position by single person. Retraction system provides stability during use. ADJUSTABLE ANGLE: Challenge yourself at a 50° (degree) angle or go extreme with the 60° (degree) configuration HIPERVISION SYSTEM: Interactive training system for club members, group training, and individuals available as an ADD-ON Specs: Dimensions: 53"L x 28"W x 67"H, 300lbs Warranty: Commercial Frame:10 Years Parts & Labor: 1 Year Upholstery: 90 Days