1、Multifunctional: Bike computer has multiple functions, such as speedometer, thermometer and clock. 2、Large Screen: Cycling computers are designed with large screen and font, so you can see the screen content clearly when riding. 3、Backlight Design: When the light is sufficient during the day, the font will not reflect, and the backlight can be turned on at night, so that the handwriting can be clearly seen. 4、Wide Application: Bike computer with backlight is suitable for mountain bikes, road bikes, electric bikes, children's bikes, off road vehicles, etc. 5、ABS Material: Bike computer is made of ABS material, which is rustproof and wear resistant and can be used for a long time. Item Type: Bike Computer Material: ABS Functions: Speedometer, Thermometer, Clock, Etc. Type of Battery: Built in 1 x 60mah CR2032 Button Cell (Dial) ,1 x 60mah CR2032 Button Cell (Sensor) 1 x Dial Plate 1 x Sensor 1 x Bracket 1 x Nut 1 x Magnet 1 x Film 3 x Ribbon 2 x User Manual