Viking Horns V311-1 Loud 152 Decibels Chrome 3 Trumpet Air Horn Sound Output: 152 decibels, with a loud low pitch sound Construction: All METAL Chrome Trumpets Includes Electric Valve Solenoid and Air Hose Mounting Hardware: Gasket, Bolts and Nuts Trumpets Length: 16-1/2", 14-1/2", 12-1/2"