Cateye: The Velo Wireless+ builds on the functionality of the Velo Wireless with the useful additions of a battery life indicator and a backlight with night mode.Including a programmable odometer and menu screen, installation is easy on almost any bike, including 27.5 and 29?ers.Standard features:? Auto Start / Stop? Battery indicator? Pace Arrow? Total distance input? Back lightFunctions:? Current Speed, Average Speed, Maximum Speed? Trip Distance, Total Distance? Moving Time, Clock? Calorie Consumption