Wireless LCD Digital Cycle Computer Bicycle Bike Backlight Speedometer Odometer Wireless Bicycle Bike Cycle Computer Odometer Features: - Real-time display of the current speed, trip distance, riding time, trip time, calorie consumption, current time, and current date. - Easy view of the max speed, average speed, total riding time, total riding distance, current temperature, and rotations per minute of the wheel. - Night light feature with high-brightness light source for a clear view of all data during your night trip. - Length unit options of kilometer/mile. Low battery indicator for you to know the working conditions of the odometer. - Bicycle oil/maintenance reminder to secure your bicycle's best performance and service life. Options of 12h/24h systems, Celsius/Fahrenheit temperature systems, and a perpetual calendar for you to have your trip in control. - A stopwatch for you to check the data in competitions. Speeding reminder for safer cycling. A wide range of use on 4''~40'' bicycles/electric bicycles or even motorcycles. - Real-time indication of acceleration or deceleration for easy control of your speed. Imported sensors to provide stable performance. Modern looks, rainwater-proof, portable, and easy to disassemble Wireless Bicycle Bike Cycle Computer Odometer Specification: Type : Wireless Bicycle Bike Cycle Computer Odometer Wireless Bicycle Bike Cycle Computer Odometer Material : ABS Wireless Bicycle Bike Cycle Computer Odometer Shell Color : Black Wireless Bicycle Bike Cycle Computer Odometer Backlight Color : White Wireless Bicycle Bike Cycle Computer Odometer Size : 46*55*18mm/1.8*2.2*0.7in Wireless Bicycle Bike Cycle Computer Odometer Waterproof : IPX4 Wireless Bicycle Bike Cycle Computer Odometer Battery : 1xCR2032 battery (included) Wireless Bicycle Bike Cycle Computer Odometer For Bike Type : Universal Wireless Bicycle Bike Cycle Computer Odometer Function : Clock, backlight, average speed, riding time, total distance, stopwatch, metric/imperial alternative, riding distance, auto-off Package Includes: 1 x Wireless Bicycle Bike Cycle Computer Odometer 1 x Transmitter Sensor 1 x Bracket 1 x Magnet 5 x Cable Ties 1 x CR2032 Battery 1x Gasket 1 x User Manual