150DB dual air horn is designed to work on any 12 Volt DC vehicles. (For Van, Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Busses, etc) Universal: The air horn fits on Any 12 Volt DC Power Vehicle For Car, Truck, SUV etc; Super-Loud: 12V Dual Trumpet Air Horn Kit will produce a powerful 150DB loud tuned train sound; Easy to install: can bring you more convenience. It also comes with a universal mount to make installation easier; High quality chrome plated zinc and aluminum alloy materials, hard, durable, wear resistant and corrosion resistant; Double-Tube Horn: The double-tube horn is specially designed for customers looking for a loud and affordable air horn, with a sound level of 150dB. Specifications: Material: Chrome plated zinc Color: Silver DB Output: 600DB Voltage: 12V Fitment: Suitable for car, boat, truck, lorry etc. What's included : 1 Set Dual Trumpet Electric Horn Kit WARNING: This dual air horn is really loud. Please do not use it near school or hospital, residential area. Read more Read more