Product size about : 3.6*3.6*1.5cm/1.4*1.4*0.5in Cable length: 90cm/35.4in Product color: As shown in the figure Product material:Metal product features: Bicycle Speedometer Multi-function Cycling Odometer with Screen Men's and Women's Road Bike Mountain Bike Youth Bicycle Outdoor Cycling Features: 1. Convenient time display: This is a bicycle speedometer that can display the current time in 24-hour or 12-hour format so that cyclists can keep track of the time at any time while riding. 2. Accurate speed tracking: It is a cycling odometer that displays your current cycling speed in kilometers per hour or miles per hour, providing necessary information for cyclists to monitor speed and adjust as needed. 3. Timing function: This is a cycling computer with a timing function that can record the time of each ride. This is especially useful for cyclists participating in competitions or training. This is because it can help you track riding time and monitor your progress. 4. Informative display: This is a bicycle odometer multi-function display that provides cyclists with rich information to enhance their riding experience, make smart training decisions, and adjust their performance accordingly. 5. Perfect gift for cycling enthusiasts: This mountain bike speedometer is an ideal gift for cycling enthusiasts. Its practicality and functionality will be appreciated by anyone who loves cycling. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set Cycling computer