The perfect train horn solution when working on a budget. Featuring longer bells that measure up to 8 1⁄2″ long, and wider flares for an authentic train horn sound. These horns are the same size as the ones used on locomotives today. This horn is rated at 142.7dB.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.