Cateye:

Customize your display. CatEyes Micro Wireless allows you to select the functions you want on your display, so what matters to you most remains in full view.

9 functions and 9 features, including a backlight, dual tyre size recognition and stop watch mode to track your commuting time or a training ride.

All of this, in a simple, slim design that mounts to the stem or handlebar with the easy to use FlexTight bracket.

Standard features:
ClickTec interface the screen doubles up as the button
Auto / Manual Start / Stop
Pace Arrow
Battery indicator
Total distance input
Back light

Functions:
Current Speed, Average Speed, Maximum Speed
Trip Distance 1, Trip Distance 2, Total Distance
Moving Time, Clock
Stopwatch