Tuning Monster 2pcs 12v 115DB Hella Super Loud Compact Electric Blast Tone Air Horn Kit For Motorcycle and Car 12V Super Loud Grille Mount Compact Electric Blast Tone Horn Kit For universal car and moto Voltage rating:12-24V Working Current:4*2 Frequency:H=41020 L=33020 Sound Output:105-118 super-loud disk horns. Not only do these horns looks GREAT set just behind the grill, they also provide you a tone much louder than stock to announce your presence. This is for a set of two (2)horns for 12V systems. Includes universal harne insuring both insure proper voltage/current, and ease of installation. These horns use a standard blade connector on the back. Rated at 118dB, these horns are nearly 7X LOUDER than a stock horn (@ 96dB) Each horn has a diameter of 123mm (4.8"")." OD:130 "Fitment: Universal Fit For Most Cars, Vans, Trucks And SUVs" Color:Red /Deep blue /Light blue /Black /Golden /Green /Neo Chrome/Chrome/White Amazing Surface and Best Quality on this market