Feature 1Made of chrome plated zinc, to ensure maximum strength and durability for long lasting usage. 2With a polished red compressor and shiny chrome horn they cast a striking appearance on any vehicle mounted. 3No air system needed, it may be small but they pack a punch that can rival any air horn out there. 4This train horn can fit in most vehicle, but deliver the big sound you need. 5Easy to install. The horn kit includes basic mounting hardware and hose.Features: Made of chrome plated zinc, to ensure maximum strength and durability for long lasting usage. With a polished red compressor and shiny chrome horn they cast a striking appearance on any vehicle mounted.No air system needed, it may be small but they pack a punch that can rival any air horn out there.This train horn can fit in most vehicle, but deliver the big sound you need. Easy to install. The horn kit includes basic mounting hardware and hose. Specification:Condition: Single TrumpetMaterial: Chrome plated zinc (Non-Rusting)Color: SilverDB Output: 150DBVoltage: 12VFrequency HZ of Horn: 680HZOverall Dimensions (L x W x H): Approx. 45 x 10 x 10cm/17.7 x 3.9 x 3.9inHose Length: Approx. 42.5cm / 16.7inHose Diameter: Approx. 10mm / 0.4inFitment: Suitable for cars, trucks, boats, and most types automobiles Package List: 1 x Truck Air Horn 1 x Compressor 1 x Hose 1 x Fitting Accessories Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.