This digital bicycle computer is your good riding partner. It can display a lot of information, such as speed, distance, time, etc. The digital cycling computer is designed with a clear LCD display, and the backlight feature allows you to easily see the screen even in the dark. The LCD bicycle odometer can display the current speed, can help you control the speed, and can also remind you of bicycle oil. The bicycle computer is simple and quick to install, easy to install and replace. LCD bicycle speedometer is made of ABS housing, which is sturdy and durable and not easy to be damaged. Specifications: Material: ABS. Voltage: DC3V Battery: 1x CR2032 battery (battery not included) Operating temperature: - 10 to 60 degrees Celsius Dimensions: 5.5x4.5x4.5 cm. Package includes: 1x cycling computer. (battery not included) 2.Box*1 3. Base + sensor*1 4. Magnet*1 5.Adhesive sheet*1 6.Instruction manual*1