Feature 1 Loud and powerful Twin Tone Air Horns add a level of safety to your driving with 178db of sound 2 Two rose red trumpet style horns included air compressor for a distinctive and stylish look 3 Kit includes one high tone air horn one low tone air horn one high performance air compressor one 12V relay mounting brackets andmounting instructions 4 Professional installation to ensure safe fitment 5 Suitable for all 12V vehicles such as cars boats etc Specification Material MetalColor Black Blue Red YellowQuantity 1pcVoltage 12VDB Output 178dbPackage Included 1 X Double Air Horn1 X Packet Of Mounting Bracket And Hardware