[130dB Super Loud] 510Hz paired with 410Hz horn can issue a warning that can not be ignored, attract more attention, avoid more accidents on the road, help to warn other vehicles and pedestrians, ensure your safety. [Strong, durable, waterproof] High-quality ABS material + waterproof shell, fixed bracket iron sheet, waterproof performance, long-term maintenance, even in extreme weather can be used smoothly, we use copper contacts with excellent conductivity, greatly extending service life. [General Horn] Suitable for DC 12V vehicles such as automobiles and trucks. It is suitable for most motorcycles, all-terrain vehicles, karts, off-road vehicles, pocket bicycles and 12V power cars. [Excellent After-Sales] Each horn is sent out after successful factory inspection, horn kit can be sounded more than 150,000 times, no matter what problems you encounter, please contact me and I will be at your service. [Easy to install] The compact horn fits into a variety of tight spaces and simply need to find the original horn and spend a few minutes replacing it - plug and play. The compact horn kit can be installed in any narrow position on your car and can emit a super loud volume of 130dB to warn vehicles and pedestrians.