CatEye Strada Digital TRPL Wireless Computer ALL YOUR FAVORITE STATS: Displays current, max, and average speed, total distance, two trip distances, elapsed time, cadence, pace arrow, and clock. TWO-IN-ONE SENSOR: Our Integrated Speed Cadence Technology sensor combines both measurements in a single unit that's easy to mount. FAST AND ACCURATE DATA: With our digital 2.4GHz technology, you'll get the fastest wireless data transmission with virtually no interference. SAVE YOUR MILES: With the option to manually set the odometer, you don't have to start over every time you change the battery. SWITCH BETWEEN BIKES: Dual tire size lets you use one computer for two bikes.