SUNDING 563A Bike Bicycle Waterproof Wired LCD Screen Luminous Mileage Speedometer Odometer, English Version(Black)

1. Material: engineering plastics 2. Display: LCD display 3. Power supply: 1 CR2032 button battery on the meter head 4. Features: waterproof, stopwatch, light control, long bright backlight, low battery reminder 5. Easy installation 6. Corresponding port of the meter base, please check if it is in contact during use, so that it can be used normally. 7. Configuration: meter head * 1, base induction wire * 1, magnet * 1, cable tie * 6, Chinese / English manual * 1 8. Size: 65x41x20mm 9. Weight: about 90G