Our train air horn offers the loudest sound on the market, while also being the most compact train air horn offered. The train air horn is a high-quality, high-end train air horn kit designed to be integrated into as many trucks as possible. In addition, the installation process takes less than an hour. The train air horn is suitable for almost any vehicle. While it is the perfect upgrade for trucks, our horn is also compatible with SUVs, passenger cars, boats, and motorcycles. As we mentioned earlier, the installation process takes less than an hour and is easy to perform. Instructions and everything you need are included. Discreet, compact black design. 150 dB sound volume, the most powerful on the market. Loud, clear, and deep train air horn-like sound. Easy installation, manual included with every purchase. Made of quality metals and an ABS construction that does not oxidize. Full water and weather resistance. PACKAGE INCLUDES: 1 X Super Train Air Horn. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you.