Nautilus EV7.16 Pro Series Elliptical Trainer (Factory Refurbished) Advanced elliptical trainer with My Stride automatic stride-adjustment technology Commercial-grade Poly-V belt drive system is quiet and maintenance-free LED display tracks progress on time, distance, calories, speed, RPM, and heart rate 11 preprogrammed workouts and 4 heart rate programs; supports My Nautilus Diary software 350-pound capacity; measures 35 x 62 x 98 inches (W x H x D)