The wireless sensor connection is fast, accurate and stable, you can use it wherever you were.
With the low energy technology, the speed sensors work time is about 400 hours.
Excellent waterproof performance, you can enjoy your cycling fully and dont worry about cycling sensors getting wet.
With the interface of the bluetooth, the speed sensor is easy for you to connect and use.
The sensor is easy to install, maintain and move between the bikes, you can use it at ease.
Material: Show as picture.
1* Speed Sensor.