178DB Single Trumpet Air Horn Chrome Compressor For Truck Boat TrainSpecification Horn Type Single TrumpetMaterial chrome plated zinc alloy non rusting and ABSColor SilverVoltage 12VDB output 178dbDimensions 16 9 L x 3 5 W x 3 HFeatures 1 Super loud Sound output 178dB single trumpet 2 Hard tough high quality guarantees long service life 3 It fits for cars trucks boats and all types of motorcycle4 Loud enough to help you warning that people who isn t aware of your car coming 5 Accessories completely professional installation is needed Fitment Fit for cars trucks boats and all types of motorcyclePackage Included 1 x Trumpet 1 x Hose1 x PumpSome Accessories as picture