This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com. Display Readouts: Speed, Incline, Heart Rate, Pace, Elapsed Time, Time Remaining, Time in Zone, Time of Day, Distance, Distance Climbed, Distance Remaining, Calories, Calories per Hour, Watts, METs, Language Choices (13), Custom Messages, Workout Profile. Programs: Quick Start, Manual, Random, Hill, Cardio, Fat Burn, Heart Rate Hill, Heart Rate Interval, Extreme Heart Rate, Army PFT, Navy PRT, Air Force PRT, Marine PFT, Fit Test, WFI Submax Protocol, Physical Efficiency Battery (PEB), Custom Workouts (6), 5K Sport Training, 10K Sport Training, Speed Interval Training, Calorie Goal, Distance Goal, Time in Zone Goal, Customized Cool Down.. Integrated Reading Rack. Rollers: 3.5" precision crowned steel rollers, front & back.