[150DB Loud Horn] The 24V single-tube truck horn produces a 150DB loud and powerful sound suitable for various weather conditions, providing an effective warning to enhance driving safety and alert others. Avoid use near schools, hospitals, or residential areas. [High-Cost Performance] The train horn is constructed from premium chrome-plated zinc material for durability. It operates reliably in a wide range of temperature environments. [Eye-Catching Design] This train horn and compressor kit adds a bold appearance to any vehicle. The high-quality, non-rusting metal trumpets offer excellent weather resistance, and all components are built for long-term performance. [Easy Installation] The air horn is simple to install. Secure the motor using a nut to a fixed position on the vehicle, mount the horn tube horizontally outside or within the engine compartment, then connect the air hose, relay, and 24V power supply. Compatible with 24V systems on vehicles such as trucks, cars, buses, ships, and motorcycles. Color: Black Material: Zinc Alloy Package Contents: 1x Train Horn Kit Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.