Conquer 2-in-1 Treadmill Stair Climber Cardio Stepper Combines manual Treadmill and Stair Climber in one machine Treadmill: weighted flywheel, Stepper: quiet hydraulic cylinders Muti function computer tracks speed, time, distance and heart rate Low-impact comprehensive aerobic/anaerobic workout Open: 52" L x 26" W x 48" H Folded: 18" L x 26" W x 52" H