Some say the Shart horn sounds like its name; others say it’s named after how people react. No matter which side of the fence you’re on though, we can tell you it’s an explosive sound!This horn is a deafening, monotone, monster. Have you ever heard a big rig trying to get someone’s attention? Not that impressive right? Well, that’s where this horn comes in! It has a huge truck sound but it’s almost twice as loud. The only downside? We don’t provide spare pants.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.