Meet the Treadwall M4: a fairly compact exercise machine that provides you with a moving climbing surface to build strength in your body and burn calories. It has a steel body with custom-machined wood panels. The Treadwall has a climbing surface of 4 x 19 feet. You get 40 custom training holds and 13 ladder line holds.
The electric display shows your distance in feet, time, and calories. The unit weighs 640 pounds.