Features: 1.304 stainless steel material, with a bright polished finish, anti?rust, non?magnetic, maintenance free. 2.Dual trumpet design, provides loud and clear sound, which is practical to use. 3.Wide application, can be used for marine applications and vehicles with 12V system. 4.Simple connection, only has 2 wires, does not require an on?board air system. 5.Including mounting hardwares, it is easy to install, save your time and effort. Specification: Condition: 100% Brand New_x000D_ Item Type: Air Horn_x000D_ Material: 304 Stainless Steel _x000D_ Color: Chrome Color_x000D_ Power Source: 12V_x000D_ Application: Suitable for Boats, RV's, SUV's and Trucks PackageList: 1 x Dual Trumpet Horn 2 x Rubber Pads 3 x Mounting Screws 3 x Screw Caps 5 x Gaskets