Main Features: 1.Dynamic display the real-time speed, trip distance, ride time, trip time, travel time, burn calories, current time, current date. 2.Query maximum speed, average speed, total trip time, riding all time, current temperature at any time. 3.Noctilucent function, using high-grade high brightness EL cold light source, query information at night is clear at a glance. 4.Metric / imperial unit selection, suitable for different user all over the world. 5.Low battery indicator, let you know the working condition of the computer at any time. 6.12 / 24 hourly, Celsius / Fahrenheit temperature selection, calendar function. 7.Bbicycle refuel / maintenance remind, make your bike maintain best performance and longevity. 8.With a stopwatch function, allows you to accurately grasp the game data. 9.Wide range of application, suit for almost all bicycle. 10.Deceleration / Acceleration dynamic instructions, master speed change at any time. 11.High quality sensors, stable performance, accurate speed. 12.Fashion appearance, waterproof design, portable, support quick release. 13.With speeding remind function, make you safer. 14.Wide range application, suit for bike of wheel diameter 4 - 40 inches. 15.Auto power off.