Loud 149 Decibels 4 Trumpet Air Horn Kit F6012

This loud sound Air Horn is made entirely of 4 black metal base and trumpets. Includes a 1 Gallon air tank, 12 volt heavy duty 150 PSI Air compressor, air pressure gauge, air pressure switch, 1/4" hose, mounting hardware, installation instructions, and a FREE horn button. This Air horn system will produce a loud train sound at 149 decibels and surely will get anybody's attention. Can be installed on the roof or at engine compartment, and also under the vehicle's carriage. Great for Cars, SUV, Trucks, RV's and Boats. and many other applications. Air tank/compressor dimensions: 14-1/4" x 5-1/2" x 7-1/4". Trumpet sizes: 13- 3/4", 11-1/2", 9-1/4", 7-3/4", with 3-3/4" each front bell diameter.