General description This 12V 600Db Dual Horn Super Loud Electric Solenoid Valve is designed for cars, boats, and trucks, providing a powerful sound that can be heard from a distance. With two speakers, it produces a louder and more impactful sound, making it an ideal choice for various vehicles. Technical specifications Volume: 600db Material: Metal Color: Silver Measurement allowed error: +/- 1-3cm Compatibility and accessories Suitable for cars, boats, and trucks Package Contents: 1 x trumpet Installation Electric solenoid valve ensures automatic activation when the vehicle is started