Features： 1、A single horn emits a loud and powerful warning. It can produce up to 150DB of sound. A huge and powerful voice can attract everyone's attention. 2、Made of high‑quality steel alloy material, which is strong and can ensure maximum strength and durability for long‑term use. Can withstand any weather and blizzard. 3、Can be installed in any application where a 12V DC power supply is available. With a polished red compressor and shiny chrome horn, they have an eye‑catching appearance on any. 4、Designed for customers who are looking for loud and reasonable prices. Has a very affordable price. Suitable for cars, trucks, trucks, tractors, motorcycles or boats, etc. 5、Easy to install. It is flexible and portable, so it can be easily carried from one car to another. The horn kit includes basic installation hardware and hoses. Specification： Item Type: Single Trumpet Material: Steel alloy Standard: 1 Set (including compressor and installation accessories) Volume Output: 150dB Equipment: Used for modification, renovation and maintenance of the original car horn system, widely used Application: Can be installed in any application with 12V DC power supply, suitable for trucks, off-road vehicles, trains, motorcycles, trucks and other vehicles Package List： 1 x Single Trumpet 1 x Compressor 1 x Transparent Hose 1 x Power Wire Harness 1 x Relay 2 x Rubber Gasket 1 x Metal Buckle 4 x Fixed Screw 4 x Gasket 4 x Nut 1 x Manual