Wireless LCD Digital Cycle Computer Bicycle Bike Backlight Speedometer Odometer Wireless Bike Speedometer 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 Bike Speedometer Specification: Type : Wireless Bike Speedometer Wireless Bike Speedometer Material : ABS Wireless Bike Speedometer Shell Color : Black Wireless Bike Speedometer Backlight Color : White Wireless Bike Speedometer Size : 46*55*18mm/1.8*2.2*0.7in Wireless Bike Speedometer Waterproof : IPX4 Wireless Bike Speedometer Battery : 1xCR2032 battery (included) Wireless Bike Speedometer For Bike Type : Universal Wireless Bike Speedometer Function : Clock, backlight, average speed, riding time, total distance, stopwatch, metric/imperial alternative, riding distance, auto-off Package Includes: 1 x Wireless Bike Speedometer 1 x Transmitter Sensor 1 x Bracket 1 x Magnet 5 x Cable Ties 1 x CR2032 Battery 1x Gasket 1 x User Manual