SpecificationColor: Silver Decibel Output: 150db Voltage: 12v Horn Dimensions: 17.7 inch (450mm) x 3.9 inch(99mm) Air Compressor Dimensions: 1.9inch (48mm) diameter x4.5inch (112mm) Height Condition: 100% brand new Manufacturer\'s Warranty: one year WarrantyPackage included1 pc Trumpet horn 1 pc Air Compressor Motor 2 pcs Brackets 1 pc Pipe 1 pc Motor bolt nut 3 pcs ScrewsFeatures- Easy and Simple to Install, Portable and Durable - Super Loud and stable Frequency - Fit for Cars, Lorry, Trucks, Trains, Boats, motorcycles, RV, SUV, All Types vehicleNotes- It is an aftermarket tool, it serves as a replacement of the original parts - Instructions are not provided. We recommend a professional installation. - If you have any questions, please feel free to contact us.