1、Superior Stainless Steel: Made of high‑quality stainless steel materials, it has three characteristics of long durability, wear resistance and corrosion resistance. 2、Practical Function: The train horn is anti‑dust, anti‑vibration and anti‑moisture, which can satisfy your use the whole day. 3、Loud 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. 4、Simple Installation: Equipped with complete installation accessories, it is convenient for your installation. 5、Wide Range of Applications: The double air horn is suitable for cars, trucks, boats and trains. Item Type: Car Air Horn Material: Stainless Steel Color: Silver and Black Current: 4A Operating Air Pressure: 0.5Mpa-0.8Mpa Sound Output: 150db Applicable: For Car, Truck, Boat, Train 1 x Car Air Horn 2 x Screw 2 x Gasket 2 x Nut