Feature:1. High Sound Level: Equipped with heavy duty horn system, which can produce a deeper and louder tone, 135dB sound level, loud enough to give warn to other vehicles.2. Strong Air Pressure: With 0.5Mpa0.8Mpa air pressure, ensure bigger, louder sound, ideal for the modification, replacement, repair of the original horn system.3. Practical: The unique design of the large bend and the sturdy housing can effectively ensure the output of high decibel sound, which is very suitable as a truck horn.4. Complete Accessory: The kit comes with tube and necessary hardwares for easy installation, compact and integrated designed, makes it practical in use.5. Wide Application: This air horn is suitable for all 12V or 24V vehicles, yachts, ships, trains and is also ideal for use as a truck horn, with stable performance.Specification:Item Type: Curved Air HornMaterial: ABS, metalVoltage: DC 12V 24VCurrent: 4.0ASound Level: 135dBOperating Pressure: 0.5Mpa-0.8MpaFitment:Suitable for truck, car, trainSuitable for all 12V 24V cars, yachts.Package List:1 xAir Horn4 x Accessory1 x Tube