... : (1)Waterproof steel housing (2)Screwless assembly (3)Ultra sonically sealed trumpets (4)More compact and lighter whilst maintaining power and ... regulations (7)Mounted as original or replaceable equipment by major car manufacturer,as BMW, BEN'Z, AUDI,V.W, FIAT, CITROEN ... , NISSAN, MAZDA, DAEWOO, KIA, HYUNDAI,etc. auto snail horn,12V CAR HORN,FOR UNIVERSAL