Check the listing for details. 2PCS Car Horn 12V Air Horn for Truck 150db Super Loud Train Horn with Wire Kit. Color: Black, Condition: New. Listed at 27.98 USD. Features:* The elegant design of the electric snail air horn (power-driven snail air horn) makes its installation on the electric bicycle very delicate.* Easy to install, just one screw can be installed.* The original aluminum composite whistle steam whistle is the most unparalleled electronic snail whistle (electric snail air whistle) in the world.* It is recognized that it only needs one adjustment point and the number of electrons that can be added, and there is no need to add any pipes. Therefore, due to the combination of a balanced airflow system, it is not only simple but also convenient to use, and is a high-quality electronic product. The noise immediately guarantees an elegant and powerful height adjustment.* Its perfect and reliable motor can withstand 100,000 continuous use. Specification:Name: Car HornMaterial: ABS + metalVoltage: 12VLoudness: 150db Packing Included:2 X Car Horn2 X Automotive Relay2 X Set Of Accessories