The Extra Loud Roadrunner "Beep Beep" Sound Horn is a practical and reliable addition to any vehicle. With a 115-decibel sound and a frequency of 345 Hz, this all-metal construction horn ensures that you are heard on the road. Its easy installation in all 12-volt vehicles, along with the 2-terminal hookup and included mounting hardware, makes it a convenient choice for most makes and models. The painted black finish and 5-inch diameter add a sleek touch to your vehicle. Trust this horn to provide a loud and attention-grabbing sound when you need it most.