- Waterproof Design: The bike LED light remains effective in wet conditions, ensuring visibility and safety while riding in the rain or fog. Enhance your nighttime visibility to be seen and heard by others. - Versatile Sound Options: This bicycle horn features four switches to control four different tones of a police whistle, providing clear alerts to pedestrians and other cyclists. The horn is powered by 2 AA batteries (not included). - Tool-Free Installation: Easily attach and remove the horn from most bicycles without any tools. It fits most handlebars with a diameter of 24mm (1 inch), making it a convenient accessory for your bike. - Fun and Interactive: Ideal for children, this horn can be used for imaginative play, such as police-themed games. Its loud sound enhances the fun, making it an exciting addition for kids during outdoor play. Use Cases: 1. Night Cycling: Illuminate your ride with the bike LED light to ensure you are seen by drivers and pedestrians, while the horn alerts others to your presence. 2. Family Adventures: Perfect for family bike rides, where children can safely play with the horn while adding excitement to the journey. 3. Commuting: Use this dual-purpose product to navigate city streets safely in any weather while also providing a fun element for kids. With a focus on practicality, safety, and enjoyment, this bike LED light and horn combination is an essential addition to enhance your cycling experience.