SUNDING 563C Bike Bicycle Waterproof Wireless LCD Screen Luminous Mileage Speedometer Odometer, Chinese Version (Black)

1. Material: engineering plastics 2. Display: LCD display 3. Power supply: meter head 1 CR2032 button battery; transmitter 1 12V23A battery 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, table base * 1, wireless transmitter * 1, induction magnet * 1, cable tie * 4, Chinese / English manual * 1, wire control button * 1 8. Size: 65x41x20mm 9. Weight: about 90G