1pc 12V/24V 155DB Super Echo Loud Air Horn Set for Semi or Large Truck

Size：400/400×90(dia) mmVolt：DC 12V/24VCurrent：4.0A Sound Level：300dBOperation Air：0.5Mpa-0.8MpaHave the most unique sound on the road with the Air Horn. The specially engineered middle chamber creates a repetitive sound to give this horn a different but attention-grabbing sound. The air horn comes in a beautiful chrome finish, includes mounting hardware and is ready to accept large .Package includes:Horn*1，Gasket * 1，Screw package * 1