The Siren Car Horn offers 7 distinct, loud sounds, including hooter, fire alarm, ambulance, and police sirens, making it perfect for emergencies. Built with a PA system, it allows you to communicate via the included microphone. Powered by a 12V car battery, it's easy to install with the provided mounting bracket. Made from high-quality materials, this compact siren is durable and delivers clear, powerful sound. Ideal for enhancing your car's audible warning system.