CAT EYE - Velo 9 Wired Bike Computer ALL YOUR FAVORITE STATS: Displays current, max, and average speed, total distance, trip distance, elapsed time, calories, carbon offset, pace arrow, and clock. DON'T SWEAT THE SMALL STOPS: Caught at a red light? Stopping for coffee? We've got you covered. Your CatEye computer knows when you've stopped and automatically stops counting time and averaging speed. WIRED SENSOR: The Velo 9 comes with a wired speed sensor. BECAUSE YOU CARE: The Velo 9 also tracks calorie and carbon offset. GO THE DISTANCE: With a battery that lasts up to three years, you can install it and forget about it.