Garret Pro Best Wireless Bike Bicycle Computer & Heart Rate Monitor, Speedometer, Odometer and Calorie Counter Completely Wireless with 125k Transmission Speedometer - Track Current Speed, Avg Speed, Max Speed and Trend Odometer - Track Trip Time, Total Riding Time, Trip Distance, Total Distance 5.3Khz Wireless Heart Rate Monitor & Calorie Counter Built-In Time Display - Hour/Minute/Second