Bike Computer Wireless, Multi-Functions Waterproof Bike Odometer and Speedometer mph, Cycling Speed Tracker with 2.9'' LCD Screen Backlight for Bicyclist, Men, Women, Kids

CLEAR LCD DISPLAY SCREEN: Bike Computer offers 2.9 inch LCD digital screen is enough large to easily and clearly view cycling data while riding. The bike computer not only can get cycling data analysis at ease, but also is convenient without wire.
16 MULTI FUNCTIONS: The bike speedometer is built-in 16 functions, such as current speed, total distance, riding time, data storage and so on. All accurate cycling data will timely get while riding which is improtant for serious bicyclist or fitness fanatic.
DAY & NIGHT BACKLIGHT: This advanced cycling computer is designed with backlight for easy viewing during dark hours. The backlight will light up for 4 seconds when any key is pressed between 18:00 and 06:00. And if you need the backlight always lighting up, please press both "S" and "M" key at the same time to keep lighting up.
IPX6 WATERPROOF: Waterproof function allows bike computer work in bad weather like rainy. Rubber band inside the bicycle computer also stop water and dirt from entering, so it is a screen thats ready for any adventure. You can enjoy your riding in rainy without worry.

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CYFIEhas always been committed to providing with high-quality products and the best services for everyone. We hope our customers can Choose Your Favorite in Ecstasy.
Choose CYFIE, you will enjoy a wonderful cycling in a better way.
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Check your bicycle wheel before ordering, it is suitable for thin spoke wheel rather than other wide-spoke wheel.

The reference table in the instruction can help you to find the correct wheel circumference. (If not in the table, you can also measure by yourself.)

the distance between the computer and sensor

Make sure the distance between the bike computer and the sensor transmitter less than 60cm/23in.

the distance between the magnet and sensor

Make sure the distance between the magnet and the sensor less than 3mm/0.1in.

Speedometer for bike mph has multi-functions like current speed, total distance, riding time and other more, which will meet bicyclist needs.

Bike odometer and speedometer with 2.9 inch display screen is able to clearly view real-time data when riding and get cycling data analysis at ease.

Don't worry about reading nothing in the night. The bike speedometer has a backlight design of viewing the riding data in the dark environment.

Bike computer is waterproof IPX6 and the rubber band against water and dust in battery compartment. Don't worry about cycling in bad weather days.