Waterproof Bicycle Computer Belt ABS Wired LCD Display Bicycle Speedometer Odometer Bicycle Stopwatch Speedometer SD-558A

Stopwatch and accessories: waterproof stopwatch Model: Bicycle computer Material:: ABS Main colors: silver and black Main color: Silver & Black Power supply:: 1 X 3V CR2032 battery Size:: Approximately 88 x 45 x 10 mm Net weight: 160g