The ft7 is one up from the entry level ft4 heart rate monitor and essentially replaces the ever popular f6 and f7 heart rate monitors it is aimed at those who want to understand more about their fitness and with the purchase of the optional polar flowlink you can upload your exercise data to the polar personal trainer website the ft7 looks and works as a digital wrist watch with dual time zones date of the day and alarm features it also comes with a chest strap that measures your heart rate