Extremely Loud Train Horn: Upgraded interior structure can produce deeper and higher tone, enough loud for lesser risk of injury and vehicle damage due to improved horn system, please use it reasonably especially in schools, hospitals | High Performance: 2020 upgraded air compressor with larger coil, premium material, stronger air pressure makes it better and more clear warning to other drivers over their actions | Long-Span Service Life: Made of high-quality materials, Chrome Plated ZINC Trumpet,All-copper coil, the metal trumpet and compressor are weather resistant, all kits are designed to serve for a long time | Easy to install: Wiring is easy and won't take you long at all, also works on any 12V system, this includes most cars and other vehicles SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Buses ,It also comes with a universal mount makes the installation easier | Committed to 100% Satisfaction: Any concerns or questions if you meet about products please contact us, all Carfka products come with a 30-day money back, 1-year warranty and lifetime support

Extremely Loud Train Horn: Upgraded interior structure and air compressor can produce more volume sound, to drive more smoothly and safely on the road, and avoid accidents. As the sound is really loud, please use it reasonably especially in schools, hospitals | Complete Kit for High Performance: With all the durable accessories you need, you can replace the stock horn to get enough attention from people, or install it to the car roof and hood, even your motorcycle (make sure you have the ability or go AUT store) | Fits on Any 12 Volt Vehicle, like Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Buses etc., Please note that existing original air supply device or 24V power supply is not available (you need to buy the version with solenoid valve) | Committed to 100% Satisfaction: Any concerns or questions if you meet about products please contact us, all Carfka products come with a 30-day money back, 1-year warranty and lifetime support | Easy to install: Chrome Plated ZINC Trumpet, upgraded air compressor, All-copper coil, hose, Relay Wiring Kit (12v 40a), Built-in fuse, the truck air horn is easy and safe for installation