Feature:
Loud, durable Twin Tone Sound.
Easy to fit, glistening black finishing and tuned train horn sound.
Universal fit in almost any vehicle, but deliver the big sound you need.
They may be small but they pack a punch that can rival any air horn out there.
12V Super-loud Air Horn powerful dual horns blare out a warning that can't be ignored.
Easy installation. No included instruction. Professional installation is recommended.

Specification:
Material: Zinc Alloy
Color: Black
Overall Dimensions: 11.5"x 6.2"x 3.45"(L*W*H)
Trumpet Lengths:11.5"/9"
Trumpets Bell Width: 3.54"
DB output: 150db　
Voltage: 12V

Package Included:
1 X Dual Truck Air Horn