The revolutionary Kettler R-400 Rower employs an innovative dual resistance system. The combination of both wind- and magnetic-resistance provides smooth performance. The backlit LCD computer display includes programming features, such as heart-rate control technology. The R-400 Rower offers 16 resistance levels and a graphical display of program hill profiles that automatically vary the resistance levels. The race program introduces a computer competitor against which you can race, keeping the workout experience exciting. The great features, innovative design and quality construction make selecting the R-400 Rower a brilliant choice.