The loudness of these air horns for trucks and trains can reach up to 150 decibels. With such a strong sound, it is the most effective and safest way to alert others of your presence.<br> [High Quality Horn] The Air horn has bigger coil, Upgraded Air Compressor, high-quality chrome plated zinc alloy material, stronger air pressure give the air horn louder and more clear warning to other's driving actions.<br> [Strong Durability] Chrome Plated ZINC Trumpet, All-copper coil, and train horns the metal trumpet and compressor are weather resistant, all kits are designed for long time service.<br> [Fit 12 Volt Vehicle] This Air horn fit most cars, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Buses etc , also comes with a universal mount that makes the installation easier.<br> [Easy Installation] This Air horn for cars is easy to install with all mounting hardware included. It is flexible and portable, so you can easily detach it from one vehicle to another.<br> Colour:Black<br> Material:Metal<br> Package Contents:<br> 1 x Dual Trumpet Electric Horn<br> 1 x Angle Iron<br> 4 x Screws<br> 4 x Nuts<br> 4 x Gaskets<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.