1. Enhanced Clarity: With a 2.4-inch screen and night light display function, this bicycles computer wireless enables you to easily monitor your data, even in low light conditions. The clear display also lets you read information quickly and accurately 2. Customizable Cycling : Meet your various cycling data needs with our wireless bicycles computer's different parameter displays. Click MODE key to change between screens and enjoy screen touch sensitivity. 1-click changeing provides added convenience, while the code table enables the display of a wide range of cycling metrics 3. Intelligent Power Management: Maximize your biking performance with our wireless bikes computer's automatic sleep mode. When inactive for 5 mins, the code table enter sleep mode. Wake it up with just a 10-second ride and if left unused for over 2 hours, it take only 10 minutes to awaken. Track your bikes speed and distance effortlessly 4. Various Functions: Capable of automatic loop display, this speedometer shows maximum speed, average speed, riding time, and single mileage without manual mode changes 5. Easy To Apply: stay top of your performance without worrying about watch damage. Waterproof code table and an extension bracket that 't occupy bikes space provides ease of use. Install in seconds and cycle with confidence Track your cycling data with ease using our wireless bikes speedometer. The touch-sensitive screen reduces worries while the automatic code selection ensures easy setup. No need to worry about signal transmission or damage to your tool. Perfect for any bicycles computer enthusiast. Product name: bicycles speedometer Product features: speed display, multiple data, waterproof, easy to wear, switching, night light mode Product size: about 6.5x4.5x2cm/2.56x1.77x0.79 inches Screen size: about 2.4 inches Scope of application: bicycles, mountain bikes, road bikes Battery life: Replace the battery approximately every 3 months Product weight: about 45g (excluding base) Product power supply: provided by CR2032 battery Color: Black Material: plastic Package Contents: 1 * Bicycle speedometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.