BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our dual trumpet air horn is designed for customers looking for a loud and affordable air horn. It can provide a safe and smooth drive for you by timely warning other vehicles, pedestrians or animals with its max.120dB loud and powerful voice. Additionally, it can be easily installed on most applications available for a 12V DC power with its well-equipped mounting screws and brackets.