1、MULTI FUNCTIONAL: Equipped with 15 unique features including odometer, speedometer, trip distance, average page speed, elapsed time, maximum speed, clock, scan, speed scale setting, comparison, auto on/off, last value on the odometer, freezing memory, and maintenance alert. 2、ACCURATE MEASUREMENTS: Waterproof cycling speedometer accurately measures speed and mileage, helping you keep track of your biking progress and records precise data for optimizing your cycling routine. 3、USER FRIENDLY DESIGN: The English coded cycling speedometer is designed with elegance in mind. The clear LCD screen ensures are easy to read and use, enhancing your cycling journey. 4、STABLE WIRED CONNECTION: With a stable wired connection, this cycling speedometer provides reliable data transmission and ensures accuracy and authenticity in measuring and recording your cycling details. 5、PORTABLE AND ROBUST: This wired cycling mileage tracker is lightweight, portable, easy to install, and suitable for all types of bicycles. The superior manufacturing ensures durability and reliability, making it an indispensable assistant during your cycling trip. Item Type: Waterproof Speedometer Material: Engineering plastic ABS, electronic components Display: LCD display Size: Approx. 51 x 42 x 18mm / 2 x 1.7 x 0.7in Power Supply: AG10 button cell x 1 (shipped with battery) 1 x Cycling Speedometer 1 x Base Sensor Connection Cable 1 x Magnet 6 x Zip Tie 1 x User Manual