4 Trumpet Horns
● Noise Level: 150 dB ● Material Science: Zinc copper Aluminum ● Package Includes: Includes 4 trumpet air horns (165mm/230mm/300mm/350mm), air horn solenoid valve, screw accessories for installation included. ● Use for : The train horn kit works on any 12V/24V system vehicle with air source equipment, fit most truck, train, van, pickup, car, boat, yacht, jeep, bus, etc. It is highly suitable for large vehicles in heavy traffic or emergencies.