Polar FT7. Manufacturer RefurbishedTwo Year Warranty. . . . The Polar FT7 Training Computer Watch is a wrist worn watch with a large easy to read backlit screen. It includes an H1 coded transmitter that is worn around your chest tomonitor your heart rate. The transmitter sends ECG accurate heart rate signals to the training computer. With the FT7 you gain access to Polarpersonaltrainer.com where you can track your progressby either entering your data into the site manually or by data transfer using the optional FlowLink.. . FT7 Training Computer Watch: | Graphical Target Zone Indicator | Zone Pointer | Training Load | Training Diary