IPX7 Waterproof: This bike speedometer odometer is designed to withstand splashes, ensuring accurate data recording in various weather conditions Backlight Support: The cycling speedometer odometer features a convenient backlight for easy reading in low light conditions, suitable 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 tracks speed and distance and provides additional functions such as 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 Color: Black Material: Plastic Package Contents: 1 x Bicycle Computer Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm