- The black background combined with white digital displays and backlighting ensures that you can read data clearly from any angle and at any time, providing excellent visibility during your rides. - Powered by a button battery (not included), this device offers low power consumption, making it efficient and reliable. Its waterproof design allows for use even in rainy conditions, ensuring durability and performance in various weather. - The device automatically enters standby mode after 5 minutes without signal input, conserving battery life. It will quickly wake up and resume working mode as soon as a signal is detected, ensuring you're always ready to go. - Compatible with handlebars measuring 25-31.5mm (0.98-1.24 inches) in diameter, the extension brackets offer a secure fit for a wide range of bikes, making installation straightforward and versatile. Use Scenarios: 1. Ideal for cyclists who ride in varying weather conditions, this device remains functional and visible even during rain. 2. Perfect for long-distance cyclists, the automatic standby feature helps to maximize battery life without sacrificing performance. 3. Suitable for both casual riders and competitive cyclists, this device provides essential data in a clear format, enhancing your riding experience.