Features: 1.Wide Application: Air horn is designed for external use and is very suitable for marine applications, but it can also be used in other vehicles with 12V systems, such as RVs, SUVs and trucks. 2.328DB Super Loud: Single trumpet can produce sound as loud as 328DB. The great powerful sound catches everyone's attention, dependable and practical. 3.Premium Material: Single trumpet is made of nonmagnetic stainless steel, the surface is brightly polished and will not rust, suitable for all weather. 4.Portable: Air horn is flexible and portable so it has the reflexes to take from one car to another easily. 5.Easy Installation: The installation is simple with provided bracket, the two wires can be easily connected, quick to install. Specification: Item Type: Loud Single Trumpet_x000D_ Material: Stainless Steel_x000D_ OEM: VXH1112MAR-C_x000D_ Power: 30W_x000D_ Voltage: 12V_x000D_ Decibel: 328DB_x000D_ Characteristic:_x000D_ Single trumpet_x000D_ Polished_x000D_ Maximum rust protection_x000D_ Application: Boats, yachts, RVs and trucks