Feature 1Superior Stainless Steel: Made of highquality stainless steel materials, it has three characteristics of long durability, wear resistance and corrosion resistance. 2Practical Function: The train horn is antidust, antivibration and antimoisture, which can satisfy your use the whole day. 3Loud Sound Quality: The sound of the car air horn is very loud, can attract everyone's attention and can produce up to 150DB of sound. 4Simple Installation: Equipped with complete installation accessories, it is convenient for your installation. 5Wide Range of Applications: The double air horn is suitable for cars, trucks, boats and trains.Item Type: Car Air HornMaterial: Stainless SteelColor: Silver and BlackVoltage: DC 24VCurrent: 4AOperating Air Pressure: 0.5Mpa-0.8MpaSound Output: 150dbApplicable: For Car, Truck, Boat, Train .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x CarAirHorn2 x Screw2 x Gasket2 x Nut