300DB Train Horn for Your Truck: The 300DB Train Horn offers the loudest sound on the market, while also being the most compact Train Horn offered.Fast Installation: The Train Horn is a high-quality, high-end train horn kit designed to integrate into as many trucks as possible. On top of that, the installation process takes less than an hour.Innovative Design: The Horn features an extremely powerful directly injected mini-compressor paired with a patented snail design to really charge and amp up the sound! All integrated into one small but powerful device.Extraordinary Equipment: There is no bulky compressor, only a small device that produces incredible sound! It's so compact.Broad Compatibility: Train Horn is Suitable For Almost Any Vehicle! While It's the perfect upgrade for trucks, our horn is also compatible with SUV, passenger , boats, and motorcycles.Exquisite breathing design with snail performance, heat and strong.Made of quality metal inside and ABS surface coated for a long lasting finish, strong corrosion , durable and waterproof.Metal terminal of horn with contact, no oxidation, stable characteristics and high reliability.With universal mounting brackets and screws, installation is simple.Universal fit for most 12V motorcycles, car, truck and boat.Voltage: 12VFrequency: 410Hz(Low Pitch) / 510Hz(High Pitch)Weight: 260gAbout the sound of the speaker:Because of its structure, the snail horn will vibrate through the resonance box, and the same will increase its sound, mit it farther, and save electricity. Its louder and fuller sound will definitely make your car look impressive.The sound of the horn is: "DI, DI~"The sound of the snail horn is: ", "Fuller sound and longer life!Colour: Black+ RedMaterial: MetalThe sound level is actually only 105-115dbPackage Conten:1 * Electric Snail HornOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.