Smooth Fitness Momentum RB5 Recumbent Exercise Bike Utilize an electromagnetic resistance system to generate high torque at low RPM Patented Tri-Color LED: Stunningly attractive LED lighting changes color to indicate power on and heart rate zone 3 heart rate control programs with polar wireless chest strap Ergonomically positioned so you can easily observe your heart rate when not wearing the chest strap Lifetime warranty on the frame; 3-year warranty on all parts and one year of in-home service