The Safety horn will alert every one of your presence and clear the way! Perfect for serious, unexpected or dangerous situations requiring immediate action. This single trumpet horn is over two feet long, comes with a high-quality black finish and a high flow valve is already attached for 12 or 24-volt applications.Use this product in a safe and responsible manner, at a distance of at least 100 feet from others.Proper Hearing protection must be worn when using this air horn. Hearing loss or permanent damage may result from unsafe use.Never operate this product in a closed environment or close to pedestrians or others.It is the consumer's responsibility to comply with local noise ordinances and D.O.T. sound level laws.