YBR125 motorcycle horn, interface and YBR125 vehicle circuit fully match, adjustable type/adjustable type support direct installation, no additional modification of the line; Using electromagnetic vibration sound structure, the volume is clear and loud (in line with traffic laws and regulations), the warning effect is more reliable under complex road conditions; The shell is made of ABS waterproof material, and the internal contacts are rustproof. It is suitable for riding in rainy and wet environment and not easy to be damaged. It is the core replacement part of horn loss and hoarse sound quality fault, and is suitable for daily maintenance of electrical system.