8 Functions :: current speed :: trip counter :: total odometer :: clock :: average speed :: maximum speed :: riding timer :: comparison of current and average speed features : :: 1 wheel size, settable from 100 mm to 3999 mm or 3,93 to 157,44 inch :: Auto Sleep-Mode (Display-deactivation) :: Auto Start/Stop :: LCD-size 27 x 25 mm :: Twist-Click-Mount, selectable for handlebar or stem mounting :: Speed Display in 0,1 KMH/MPH-steps :: Data storage during battery replacement (20 sec.)