The wireless CS200 is a true cycling computer that gives you all your cycling speed and distance information, along with your heart rate data. With the ability to link to your PC, the CS200 is more than just a cycle computer. Easy to reach button design that mounts on your stem or bars. Option to add on cadence. The triple wireless CS200cad is the complete packgage, and the most loaded cycle computer for the money. Speed, cadence and heart rate, all wireless. Four lines of data on the display that scrolls automatically. Exclusive Polar features that links to your PC, the CS200cad is more than just a cycle computer. See Image for additional Information