a, SPECIAL AUTO HORN FOR ALL 12V CARS b, EUROPEAN QUALITY STANDARD c, HIGH POWER SOUND AND LONG DURABILITY d, SOUND CLEAR Main ... sompact sealed trumpets(4)More compact and lighter whilst maintaning power and performance(5)Available in:High,Low(double).Twin or ... manufacturer,as BMW,BEN'Z,AUDI,V.W,FIAT,CITROEN,PEUGEOT,ROVER,FORD,GM,VOLVO,HONDA,TOYOTA,NISSAN,MAZDA,DAEWOO,KIA ...