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Bike Waterproof Bicycle Computer LED Odometer Speedometer

Specifications:
Power by: 1 x AG13 battery(included)
Color: Red，Black，Silver
Weight: About 120g

Funtions:
Current speed
Odometer
Trip distance
Maximum speed
Average speed
Elapsed time
Clock
Scan
Maintenance alert
Setting speed scale
Setting tyre circumference
Setting the last value of odometer
Freeze frame memory
Auto on\/off

Package Includeds:
1 x Bike computer
1 x Instruction