A rechargeable bicycle horn and light is an essential accessory for enhancing safety and visibility while cycling. This multifunctional device combines a loud horn, typically capable of producing 100 to 120 decibels of sound to alert pedestrians and vehicles, with a bright LED light for clear illumination during night rides or in low-light conditions. Powered by a built-in rechargeable battery, it eliminates the need for frequent battery replacements, offering convenience and cost-effectiveness. Many models feature adjustable light modes (such as high beam, low beam, and flashing) and multiple horn sounds to suit different riding environments. Compact and easy to mount, this device ensures cyclists can stay visible and audible, making every ride safer and more enjoyable.