The Proform 1250 ZLT treadmill features a 2.75HP continuous duty Mach Z commercial motor powering it to a top speed of 12 mph (20kmh). It offers a max incline of 12%; both the speed & incline are adjustable with the use of the quick keys on the console. The running area is 51cm (20) wide by 142cm (55.9) long & cushioned with the Pro Shox Elite 2 system for high level of knee & joint protection. The treadmill offers 16 pre-set workouts. It is compatible with the i Fit Live & is Nike+ iPod to enhance your trainings & let you achieve better results. The workout data such as speed, time, distance, incline & calories burned can be tracked on the multi-window LED display. The treadmill provides ECG accurate heart rate measurement through handgrip pulse sensors or telemetrically, with the use of a wireless transmitter (chest strap included).