•  Description:
• ·      Real-time display of the current speed，trip distance，riding time，trip time，calorie consumption and current time.
• ·      Easy view of the maximum speed，average speed ，total riding time， total riding distance and rotations per miunte of the wheel.
• ·      Options of 12h/24h systems，stopwatch feature and alert feature for bicycle maintenance.
• ·      Length unit options of klometer/mile.
• ·      Imported sensors to provide stable performance， and accurate speed.
• ·      Multiple purposes for bicycles/motor-bicycles(4"-40").
• ·      Modern look， waterproof and portable.
• ·      Real-time indication of acceleration or deceleration for easy control of your speed.
• ·      Size: as the picture.
• ·      Color: as the picture.

 color we will random delivery 

Odometer-1

without battery(LR44)， you can buy battery in your local shop:

Odometer-2