ProForm 520 ZN Treadmill 2.5 CHP Mach Z Motor; Tread Belt, ProShox Cushioning, SpaceSaver Design, 1.9&#34; Precision-Machined and Balanced Non-Flex Rear Roller. Compatible Music Port for Apple iPod, Large Backlit Display, 10 mph QuickSpeed Control, 10 Percent Quick Incline Control. 18 Workout Apps, CoolAire Workout Fan, Grip Pulse EKG Heart Rate Monitor, 300 lbs Weight Capacity. Lifetime frame warranty, 25-year motor warranty, 1-year parts and labor warranty.