Stay fit and focussed in your own home, enjoying the full body workout of the WaterRower Dual Rail Shadow Rowing Machine. Utilising WaterRower's patented Water Flywheel it delivers a natural rowing experience for a low-impact workout that targets up to 84% of your muscle mass. You can ramp up or down your workout easily thanks to the self regultaing resistance design. Track your performance while training and set yourself goals with the help of the S4 Performance monitor keeps you on track with your workout.