WEST BIKING Mountain Road Bike Wireless Code Meter Multi-Function Interface Riding Speedometer(Black)

1. Material: PVC 2. Waterproof rating: IP44 3. With LED green backlight, you can see clearly at night and daytime 4. Small and light, easy to install 5. After 300 seconds of no use, the screen will automatically stop and continue to work after pressing the button 6. Waterproof and dustproof, no fear of rain 7. Size: 5x7.5x1.5 cm 8. Weight: 31.5 grams Packing list: - Speedometer x 1 - Sensor x 1 - Sticker x 3 - Button battery x 2 - Rubber gasket x 1 - Foam slice x 1 - Plastic fixing strap x 1 - Magnet x 1