
Polar RS400/RS800 Running Computer: The running computer displays and records your heart rate and other exercise data during exercise.
Polar WearLink® 31 transmitter (Polar RS400) or Polar WearLink® W.I.N.D. transmitter (Polar RS800): The transmitter sends the heart rate signal to the running computer. The transmitter consists of a connector and a strap.
Polar S1 foot podTM (Polar RS400): The sensor transmits the running speed/pace and distance measurements to your running computer.
Polar s3 stride sensorTM W.I.N.D. (Polar RS800): The sensor transmits the running speed/pace and distance measurements to your running computer. The sensor also measures your running cadence and stride length.
CD-ROM: The CD includes Polar ProTrainer 5TM and a complete user manual to help you make the most out of your running computer.