Bye-bye to buttons. Hello happiness. Hello to high-tech. Light-touch design activates functions & modes Wireless mounting for clean set up & use; automatic wheel size set-up for two bike use Speed: Current average comparison & maximum Distance: Trip 24-Hour Total (bike 1 or bike 2) Total Odometer (bike 1 + bike 2) Time: Trip & 12/24 Hour clock Auto on/off & two power-saving modes Temperature Low-battery indicator Backlight Calorie consumption estimator Low-profile shape easily mounts to stem or handlebar