Precor EFX 5.31 Premium Series Elliptical Fitness Crosstrainer Professional-quality elliptical trainer with variable stride length and adjustable ramp (from 15 to 30 degrees) Provides lower body workout with stationary handrails offering multiple arm and hand positions to ensure comfortable posture and proper technique 20 levels of resistance; 10 preset programs including 1 aerobic, 1 cross training, 2 heart rate, 2 weight loss Compatible with wireless heart rate monitors; handheld monitoring not included Lifetime warranty on frame, 10 year on parts, 1 year on labor