The StairMaster 5100 NSL elliptical trainer features a patented stride technology giving foot pedal tracks the natural movement of the foot throughout the entire range of motion that results in the most comfortable, natural stride motion of any elliptical trainer. This machine also has innovative Remote Operation Controls on the upper body handles. The controls allow the user to start their workout and control the resistance without removing your hands from the handles. Easy-to-read, back-lit redesigned C40 LCD console features the new tactile key touch technology, which motivates you with seven of the most popular training programs. The StairMaster 5100 NSL is a high quality workout machine that can definitely satisfy all your fitness needs. It comes with everything you need to get the best workouts with maximum results. Whether in a gym or in the comfort of your own home, you can breathe easy knowing you will get a great workout every time with the StairMaster 5100 NSL Clubstride elliptical trainer.