Upgrade your vehicle with this powerful air horn kit. Crafted with chrome plated zinc horns and all copper coils, these train horn metal horns and compressors are built to withstand any weather conditions for long-term use. The truck horn coil, made of high-quality chromium-zinc alloy material, delivers a louder and clearer warning signal, ensuring safety on the road. Equipped with a super large speaker featuring an upgraded internal structure, this air horn emits pleasant tones in all weather conditions, making it an ideal driving companion. Compatible with any 12VDC powered vehicle, including cars, trucks, SUVs, motorcycles, yachts, boats, buses, and more, this truck train horn kit comes with a universal bracket for easy installation. Installing these air horns is a breeze - simply connect the air connection on the solenoid valve to your vehicle's air supply. The kit includes basic mounting hardware, eliminating the need for professional installation assistance. Enjoy the convenience and safety of these air horns anytime, anywhere. Upgrade your driving experience today! Item Name: Train Horn Kit Material: ABS, Metal Features: Easy to Install, Universal, Long Lasting Size Details: Longest Horn Length: 35cm/13.78" (Approx.) Shortest Horn Length: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of Train Horn