IPX7 Waterproof: This bike speedometer odometer is designed to withstand and splashes, ensuring accurate data recording in any weather condition Backlight Support: The cycling speedometer odometer features a convenient backlight for easy reading in low light conditions, for night rides Easy To Operate And Install: This bicycle speedometer odometer is user-friendly with simple and quick installation, making it hassle-free to use Multifunctional And Practical: This speedometer odometer for bikes not only tracks speed and distance but also provides useful functions like calorie consumption and trip time Accurate Data Recording: This speedometer odometer for cycling offers precise measurement and data recording, helping cyclists track their progress and improve performance Colour:Black Material:Plastic Package Contents: 1 * Bicycle Computer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.