WADEO 12V Truck Horn 118db, Super Loud Dual Horn Car Horn with Compressor, Air Horn Air Horn Loud Horn Kit for all 12V vehicles, cars, trucks, trains, boats, cars, vans (Red)

["【High Quality】 The horn is made of high-quality ABS and chrome zinc alloy material, ensuring the durability and longevity of the air horn. It can work in a variety of temperature environments, no matter where you are.","【Super Loud】 The 12V dual horn air horn kit produces a powerful 118 dB train sound that cannot be ignored.","【Wide Applicable】 The air horn fits in any vehicle with 12-volt DC power supply (for cars, trucks, SUVs, motorcycles, boats, off-road vehicles, buses, etc.).","【Easy Installation】 You just need to connect the two wires on the truck horn to the 12V power supply (red wire to positive pole, black wire to negative pole) and it will work normally.","【What You Get】 1 x dual horn air horn, 1 x mounting accessory set, 1 x wiring harness, 1 x relay (backup)."]