Feature:1. High Quality Material: Air horn is made of high quality metal material, rustproof, high strength, not easy to deform, sturdy and durable.2. Loud Sound: Dual trumpet train air horn emits super loud warning sound together, up to 130dB sound level, can attract people's attention and play the alarm effect.3. Excellent Performance: Loud air horn can withstand changing climates, and adapt to various weathers, has a long service time.4. Wide Application: Dual trumpet air horn fit for trucks, club cars, yachts, tramcars, etc, with a louder sound to meet your needs.5. Easy Installation: Easy to install, come with necessary accessories, no modification is required, convenient for using, save your efforts.Specification:Item Type: Air HornMaterial: MetalVoltage: DC 12VCurrent: 20ASound Level: 130dBOperating Air Pressure: 0.1Mpa-0.15MpaFitment: Fit for trucks, club cars, yachts, tramcars, etc, with a louder sound to meet your needs..Package List:1 xAir Horn1 x Compressor1 x Plug1 x Gasket1 x Switch Plug4 x Nut4 x Screw1 x User Manual