StairMaster 4400CL Stepper Space-efficient, armless stair stepper for superior cardio and lower body workout Upright, rail-free configuration encourages improved exercise posture Step range of 1 to 14 inches and step rate of 26 to 174 steps per minute Comes fully assembled; features 20 resistance levels, six workout programs, and a backlit LCD display Measures 22 x 69 x 41 inches (W x H x D) and weighs 126 pounds; 15-year frame warranty