The Polar FT7M heart rate monitor offers easy access to heart rate-based training. It features Polar's OwnCal, which counts and displays calorie expenditure during one session, as well as those accumulated during several sessions to help achieve both short- and long-term goals. A comfortable WearLink textile strap measures your heart rate and seamlessly adapts to your body shape. The training watch features an EnergyPointer that tells you if the main effect of your training is fitness improvement or calories burned. The exercise diary stores prior workout achievements to monitor your progress.Includes upgraded comfortable textile transmitter.Energy pointer visually guides you between fitness improvement and fat burning levels during exercise.Tracks calories burned during exercise.Exercise diary with 99 workout files and 16 week summary to track improvement.Full watch functions with backlight.Water resistant to 30 meters.