Product name:Bicycle Electronic Bell Product size about :7.5*4.2*4.2cm/2.9*1.6*1.6in Product color: As shown in the figure Charging method: type-c Volume: 120 decibels Weight: 40g Product material:ABS product features: 1. Multifunctional design: This bicycle electric horn has 5 different ringtones to choose from, and can emit 120 decibels of sound to make the riding process more interesting and safe. Whether you like crisp and pleasant ringtones or interesting and unique sound effects, it can meet your preferences. 2. Rechargeable design: The built-in rechargeable battery saves the trouble of frequent battery replacement, which is environmentally friendly and economical. Through the type-c charging interface, the electric horn can be charged conveniently and quickly. Charging for 1 hour can last for 30 days and keep the power sufficient anytime and anywhere. 3. Compact size: The electric horn is small in size, 7.5*4.2*4.2cm/2.9*1.6*1.6in, which will not take up too much space on the bicycle, making it easy to install and not affecting riding. Makes the overall appearance of the bicycle more simple and generous, and perfectly integrated with the body. 4. Multiple installation methods: The design is flexible and diverse, suitable for various types of bicycles, such as mountain bikes, road bikes, etc. Through simple installation steps, you can easily install the electric horn in the right place to ensure convenience and efficiency of use. 5. High-quality materials: Made of Sturdy materials, it is strong and Sturdy and can withstand use in various complex road environments. The carefully designed shell is not only waterproof and dustproof, but also effectively protects the internal electronic components to ensure long-term stable use. 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. Shipment includes: 1 pc Bicycle Electronic Bell