A full musical horn system, ready to install. At the heart of this package is the triple trumpet musical horn that can produce a total of eight different tunes. Chrome color, made entirely of metal for maximum protection against all weather conditions. This system includes a 5 Gallon air tank, 200 PSI 12 volt air compressor, pressure gauge, pressure switch, hose, fittings, thread sealant and mounting hardware. Ideal for all vehicles with a 12V system. A bold, loud choice.