High-quality Stepmill designed to offer superior cardio and lower-body workout Patented revolving staircase with 8-inch-tall steps that mimic the feel of real stairs Adjusts from 24 to 162 steps per minute; 20 resistance levels and 6 programs Easy-to-read, backlit LCD display; reading rack, water bottle holder, and accessory tray Requires 10-foot ceilings; measures 29 x 78 x 50 inches (W x H x D);