This Pactrade Marine Boat Stainless Steel Dual Trumpet Horn is a heavy-duty accessory that is perfect for any boat owner. With its 12V power supply, it ensures that you can use it for a long time without worrying about running out of battery life. The horn is made of high-quality stainless steel, making it durable and resistant to wear and tear. It is easy to install and use, and it comes with a manufacturer part number of P15023-12. The horn has a dual trumpet design that produces a loud and clear sound, making it perfect for use in busy waterways. This item is perfect for anyone who wants to add an extra layer of safety to their boat.