8MILELAKE 12V Single Trumpet Air Horn with Compressor 150DB Air Horn for Truck Lorry Boat SUV

Feature : No air system needed . Easy to fit , glistening chrome finishing and tuned train horn sound . This train horn can fit in almost any vehicle , but deliver the big sound you need . It may be small but they pack a punch that can rival any air horn out there . This horn is the complete package . Specification : Condition : Single Trumpet Material : Chrome Plated ZINC Trumpets(Non-Rusting) Overall Dimensions : 17.7"L x 3.7"W x 3.9"H Trumpet Lengths : 16.9" Trumpet Diameter: 3.7" Air Tube Length: 14.6" DB output : 150 db Frequency HZ of horn : 680HZ