Description: - Stronger air pressure can be made of upgraded air compressor and larger coil, which can prompt the horn emit a louder and clearer sound. - Compatible with 12V system, can be used for SUV, motorcycle, yacht, boat, offroad vehicle, bus, train, etc. - Highquality chromeplated zinc and aluminum alloy materials, hard, durable, wearresistant and corrosionresistant, and also has long service life. - 600dB sound level, has stable performance, and higher work efficiency. - Easy to install: can bring you more convenience. It also comes with a universal mount to make installation easier.Specification: - Material: Chrome plated zinc - Color: Silver - DB Output: 600DB - Voltage: 12V - Fitment: Suitable for car, boat, truck, lorry etc. - Size: 32x15x8cmPackage Includes:1 Set Dual Trumpet Electric Horn KitNote:Please allow slightly difference due to manua l measurement.Color may be slightly different since different monitor. Thanks!