This class A-rated ergometer is electronically calibrated so you can accurately measure the amount of effort you are expending. It is built with high quality components so you can be confident that it will support you in the most demanding of workouts.The target heart rate programe automatically adjusts the resistance to match your heart rate and means you can direct your workout to specific targets, whether that is burning fat or improving aerobic capacity.Choose between using the hand pulse sensors on the moving arms, enabling you to keep exercising your upper body whilst getting heart rate feedback, and using the wireless heart rate receiver for even greater levels of heart rate accuracy.