The Polar S720i - Heart Rate Monitor is our most popular cycling computer ever
it just
got even better. The S720i combines the highest level of personal performance
data, training conditions like altitude and temperature, and cycling functions.
Infrared technology (IR) allows you to download directly to your PC without a
separate interface.* Get back from your workout and in seconds see the most
in-depth performance analysis on your PC. Turn your computer
into a cycling coach.
*Please note, your PC or Laptop must have an IR
window or you will need a separate Polar IR interface.