Features 1. Made of 100% non-magnetic stainless steel material with a bright polished finish that will not rust. 2. Specially designed for external use, suitable for marine applications in saltwater environments; compatible with 12V systems. 3. Simple installation with two wires for easy connection; no onboard air system required. 4. Package includes: 1 x air horn, 2 x rubber gasket, 5 x screw, 5 x nut, and 10 x gasket to meet installation needs. 5. Ideal for boats, RVs, SUVs, and trucks; produces a loud sound. Specification Condition: Item Type: Air Horn Color: Chrome Material: 304 Stainless Steel Power Source: 12V Size: Approx. 40 x 10.5 mm / 1.6 x 0.4 in Application: For Boats, RVs, SUVs, and Trucks Package List 1 x 12V Air Horn 2 x Rubber Gasket 5 x Screw 5 x Nut 10 x Gasket