Product name:bike horn Product size about :7in Product color: As shown in the figure Product material:Metal product features: -The front of the high-quality horn is made of sturdy aluminum alloy to ensure durability and rust prevention. The rubber ball of the horn is made of flexible rubber to ensure it does not break.  -Loud speakers can attract others' attention, remind them of your arrival, and keep a safe distance from you. The horn voice actor is elegant and pleasant, giving people a beautiful feeling.  -Easy to install. You only need a screwdriver to easily install or remove the horn from the handlebar. High quality speakers will not loosen after installation, providing you with a good experience.  -Easy to use: It has a soft rubber head that can make a loud sound when gently squeezed. It is made of high-quality rubber, which can quickly restore its shape and is not easily deformed.  -AFTER-SALES SUPPORT: If you have any questions or concerns about our products, please feel free to contact us. We will be happy to serve you and ensure your satisfaction.  Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only.  Package Included: 1 pcs bicycle horn