178DB 4 horn kit comes with 150 PSI 12V air compressor air tank 0.8 gallon 12V
FARBIN 4 Trumpet Horns Kit. 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, a air tank, a button, and other installation accessories. It is highly suitable for large vehicles in heavy traffic or emergencies. Upgraded interior structure can produce more volume sound, blares out a loud and powerful warning. This air horn comes with a 3L / 0.8 gallon 12V maintenance free heavy duty air compressor, zinc alloy materials to ensure maximum strength, durability. Equipped with automatic safety protection design, the compressor will automatically stop pumping when the internal air pressure reaches 100 PSI. Our train horn kit complete mounting hardware, hose, fuse and clear instructions are included. Professional installation assistance won't be needed.