Welcome to the store! 1. Anti-slip: The bicycle computer features a non-slip design with a card slot, preventing accidental loss of the stopwatch and ensuring a secure fit. 2. With Sensor: The sensor for this wired bike computer is installed on the front brake and requires fixing with 2 cable ties. 3. With Magnet Head: The magnet head is installed on the spoke, and the distance between the magnet head and the sensor should be maintained at approximately 4mm. 4. High Accuracy: The wired computer utilizes upgraded and stronger magnets to ensure data accuracy, making it more convenient to use and providing a longer lifespan. 5. Easy to Use: The bike computer is simple to install and remove, offering strong practicality, easy operation, and convenient use. Item Type: Bike Computer Material: ABS Battery Capacity: 210mAh Battery Type: 1 x CR2032 Battery (Included) 1 x Bike Computer 6 x Straps 1 x Magnet 1 x English Manual 1 x Connector Your satisfaction is our top priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!