The LCD display makes it easy to watch and go. With the removable head unit, you can quickly and easily assemble and disassemble the cycling speedometer. ACCURATE WITHOUT DELAY --- Using a premium chip, the bike computer can wirelessly capture real-time data. It can help you plan and analyze your cycling training. WIRELESS WATERPROOF --- Easy installation which only takes a few minutes for the wireless bicycle speedometer without the need to install complex cables. Thanks to its waterproofness, it can be used on rainy days. Please dry immediately after use. AUTO ON / OFF BACKLIGHT 3 COLORS --- The cycle speedometer has 3 backlight colors: green / blue / red. You can adjust the backlight permanently when you need to drive at night. If no signal is entered after 5 minutes, the screen will automatically turn off to save battery power. When you move or press any button, the computer will automatically turn on. Nbsp; When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it