Best Air Horn Train Horn for Truck!

This is my Unboxing & Review for the HK 12V 150db Air Horn, 18 Inches Chrome Zinc Single Trumpet Truck Air Horn with Compressor
Click here to get one: www.amazon.com/dp/B07YXTN175?...
This is how it is described on Amazon:
- High-Cost Performance: The HK air horn is made from premium quality chrome plated zinc material to ensure durability and longevity.It can work in a variety of temperature environments, no matter wherever you are.
- Universal Fit: The air horn fits for any 12 volt vehicle (Car, Truck, SUV, Motorcycle, Boat, off Road Vehicle, Busses etc). NOTE:IT ONLY FIT FOR 12V DC POWER.
- Super-Loud: 150DB Trumpet Air Horn Compressor Kit will produce a powerful loud tuned train sound that blares out a warning that can't be ignored.
- Easy to install: Almost everything you need for installing the air horn is included in packing. Package include:1 X Slivery Air Horn,1 X Compressor,1 X Air Hose,1 X Set of Mounting Hardware,1 X Relay,1 X Wired Relay Plug,1 X Fuse,1 X Inline Fuse Holder,1 X Manual.You just need to buy some electric wires.
- WARNING: This air horn kit is really loud. Please do not use it near school or hospital, residential area.

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وددت ان اعرف طريقة التقنيه التي يسحب بها الهواء ومن اين❤❤ ولكم جزيل الشكر والإحترام❤❤❤