Compact Horn, Electric, Length (In.) 3, Width (In.) 4, Height (In.) 4, Dia. (In.) 4, Material Plastic, Finish Unfinished, Universal Mount Mounting, Decibels (dB) 135 @ 1 meter, 20 Amps, Voltage 12 DC, For Use With Cars, Trucks, Vans, For Use On...