when you receive it ,then test it first.

1.the display screen is close to the transmitter.

2.Then the transmitter is held in one hand and the magnet is moved close to the sensor in one hand.

3.The data display is normal.

Note:

1.If you have doubts, please feel free contact us.

2.some times,it is not the product problem,just you use it in a wrong way.

3.so when you think there are any problems with the product,please feel free to contact us first.thanks very much.

4.After riding on a rainy day, wipe dry to prevent water intake and shorten the service life.

Product Detail:

Brand: ROCKBROS

Condition: Brand new

Style: BC18-L21 18 Function type,

BC335-LE11 26 Function type

Backlight Stopwatch

Waterproof

Battery: CR2032 Button Cell (1 Year)

Size: About 4.7*6.6*2cm

Material: ABS shell, Tempered glass

Tips: Only BC335-LE11 include the cadence and heart rate

Function A 18 B 26

1. Speedometer YES YES

2. Average speed(AVS) YES YES

3. Maximum speed(MXS) YES YES

4. Speed tendency YES YES

5. Speed comparator YES YES

6. Auto trip distance (DST) YES YES

7. Total trip distance (ODO) YES YES

8. Odometer save YES YES

9. Auto trip timer (TM) YES YES

10. Digital clock YES YES

11. Calories YES YES

12. Fat burnt YES YES

13. Temperature with C/F YES YES

14. Auto scan YES YES

15. Service programe YES YES

16. Auto start/stop YES YES

17. Auto power off YES YES

18. KM or M selectable YES YES

19. EL Backlight YES YES

20. Current cadence NO YES

21. Average cadence NO YES

22. Maximum cadence NO YES

23. 2 bike system NO YES

24. Current heart rate NO YES

25. Max. heart rate NO YES

26. Heart rate zone alert NO YES