Dual Trumpet Horn Kit, Air, Length (In.) 7-1/2, Width (In.) 3, Height (In.) 3, Dia. (In.) 3, Material Plastic, Finish Chrome, Universal Mount Mounting, Decibels (dB) 137 @ 1 meter, Pressure (PSI) 10 to 12, 16 Amps, Voltage 12 DC, For Use With Cars,...