The Chrome 3 Trumpet "Competition Series" Train Horn is a super loud and powerful product that guarantees attention. With a sound output of 150 db, it ensures that you will be heard from a distance. The 12V Heavy Duty Electric Solenoid is included, making installation hassle-free. Sold individually, this train horn measures 15 1/2 inches in length, 11 1/2 inches in width, and 10 inches in height. Its compact size and durable construction make it a practical choice for any vehicle. Upgrade your horn and make a statement with this high-quality train horn.