Light commercial treadmill is warrantedfor 4 hours of daily usage, features 8 preset programs and2 heart rate control programs. UL and ETL listed. Specifications: 5610-86 (T620) Dimensions 33"W x 56"H x 83"L Unit Weight 343 lbs. Running Surface 22" x 62" Motor Drive 3.2 HP DC Electrical 110v, 20 amp dedicated Speed Range .1 to 12 mph Incline Range 0% to 15% Heart Monitoring Contact HR, Polar Programs Manual, interval, random, HR interactive (2) Display Touch rate/Polar HR, time, distance, calories, incline, speed and intervals during programs Weight Capacity 400 lbs. Warranty 2 yrs. parts, 1 yr. labor (6 hrs./day max usage)