AUXMART 4 Trumpet Air Horn Universal 12V/24V 150db Air Train Horn + 7 Tone Car PA System Truck Siren Horn Mic PA Speaker Vehicle Siren Megaphone Speaker

• 【PREMIUM MATERIAL】The train car horn is made of high-quality zinc materials that ensure durability and strength. Finished in a glistening black protect it from corrosion and weather conditions. 【LOUD SOUND】Come with 4 trumpets which are designed to blend the sound and quality of sound, extremely stable frequency. Create 150 decibels, It will produce a super loud alerting sound to keep you safe on the road. 【EASY TO INSTALL】Only needs to simply mount it on your air compressor. The air tap on the solenoid valve is connected to the gas source of the vehicle(make sure no air leak). 【12V/24V SOLENOID INCLUDED】Equipped with a 12 Volt/24V solenoid will work on both 12/24 vehicles and suit the needs of your vehicle. 4 trumpet air horns can be used in different vehicles like trucks, vans, trains, boats, cars, pickups, etc. Easy installation with mounting bracket and screws Red wire connects to 12V power supply positive Black wire connects to 12V power supply negative