About this item Lightweight Design: The overall design of the horn is lightweight, making it easy to install on a bicycle without adding too much weight. It is easy to operate, just squeeze the ball to make a sound, which is convenient for quick response when riding. Efficient Warning: The air horn squeeze ball design can produce a loud sound. The faster the pressing frequency, the louder the sound, ensuring effective warning of pedestrians and vehicles around, improving riding safety. Durable Material: This air horn combines the advantages of PVC and alloy to enhance the durability and impact resistance of the horn. The material is wear-resistant and easy to clean and maintain. High Volume Output: The air horn is easy to use, and the squeeze ball design can produce a louder sound, improve the warning effect, and quickly press the squeeze ball to produce a louder sound. Box Contents: You will receive a 7.87 ” x 1.96 ” x 2.16 ” bicycle air horn. The product is widely used and can be used for most bicycles, mountain bikes, beach cars, and leisure vehicles.