FARBIN Train Horn Air Horn 12V Truck Horn 150DB 4 Trumpet Horns Loud Train Horns for Truck with Compressor for Vehicle Trucks Cars Pickups Jeep SUV Boats Red (Red,with Air pump)

【Premium Quality, Unique】Our train truck air horn has a unique exterior design, with four horns arranged neatly, excellent sound quality, and stable frequency.The horn is made of high-quality zinc alloy materials to ensure maximum strength and durability. It is can withstand harsh weather conditions or extreme temperatures with trusted quality and lifespan.. 【Super Loud 】The loudness of these air horns for trucks and trains can reach a volume of 150 decibels.Four horns work together to issue a super high warning, Compared to ordinary double tube horn sound more three-dimensional and louder, more penetrating, amazing energy. With such a strong sound, it is the most effective and safest way to alert others of your presence.. 【Easy to install】Our train horn is easy to install, you can install it yourself. Please note that, one line of the button connects to the blue line (or white line) of our wiring harness, the other line of the button connects to the battery positive line, and the white line(or blue line) in the wiring harness connects to the frame. These are easy to connect wrong, resulting in the relay does not work.Please check it carefully!. 【Wide Versatilit】The train horn comes with an air upgraded compressor larger all-copper coils inside and can be used without the need for additional air sources. It is suitable for any 12V system vehicle and is suitable for most trucks, trains, vans, pickup trucks, cars, boats, yachts, jeeps, buses, etc. It is very suitable for large vehicles in busy traffic or emergency situations.. 【Independent control】 Horn button switch can control the horn separately, so that you can choose to use the horn or your original car horn in different driving environments.