: This digital bike computer is a good partner for your cycling. It can display much information, such as speed, distance, time and so on. The digital cycling computer is designed with a clear LCD screen and the backlit function let you can easily see the screen even in the dark. The LCD bike odometer can display current speed and can help you to control your speed and it also reminds you about bike oil. The bike computer features simple and fast installation, easy to install and replace. The LCD bike speedometer use ABS to make the case, which is strong and sturdy, not easy to be damaged. Specification: Material: ABS. Voltage: DC3V Battery: 1x CR2032 battery(Battery not included) Working temperature: - 10 to 60 degrees Celsius Size: 5.5x4.5x4.5cm. Package Include: 1x Cycling computer.(Battery not included) 1x Cable tie 1x Wheel accessory. 1x Rubber gasket 1x User manual (English) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!