Specification AutomotiveFitType : universal_fit Brand : AOLIHAN BulletPoint1 : 1. Increase your driving confidence: 12v car horn is plenty loud enough to get other driver's attention. The 130dB car horn is a huge improvement over the stock horn, people will move out of your way when needed BulletPoint2 : 2. Why choose us: The 12v truck horn has high fixed mounting bracket, pure copper spiral coil, ABS engineering plastic shell, super loud diaphragm. Come with excellent material, scientific design can get high powered sound and longest lifespan BulletPoint3 : 3. Practical product: The 12v horn kit is no polarity.Universal fit for all 12V vehicles(car, truck, SUV, motorcycle, yacht, boat, off-road vehicle, bus, etc).an ideal car tool for your loved car BulletPoint4 : 4. Includes: Snail car horn package includes 1 high-tone 510Hz horn, 1 low-tone 410Hz horn, 4 pieces universal mounting bracket, 2 pieces screws, 4 short lines, Relay, Wired Relay socket, Fuse, Inline Fuse Holder, Button switch BulletPoint5 : 5. After Sales: If you encounter any problems during the installation and wiring process, please contact us at the first time, and we will give you detailed installation information until you are satisfied Color : Black with Relay and Button CompatibleWithVehicleType1 : Passenger Car CompatibleWithVehicleType2 : Watercraft CompatibleWithVehicleType3 : Motorcycle CompatibleWithVehicleType4 : Truck CompatibleWithVehicleType5 : Bus CompatibleWithVehicleType6 : SUV FitType : Universal Fit ItemName : AOLIHAN 2PCS 130dB Air Horn for Truck Dual Horns for High/Low Tone Super Loud Train Horn,12V Waterproof Electric Snail Horn for Car/Motorcycle/Truck/SUV/Van/Boat/Motobike/Moto/Forklift/atv/golf cart ItemPackageDimensions_Height : 16.4 centimeters ItemPackageDimensions_Length : 10.4 centimeters ItemPackageDimensions_Width : 13 centimeters ItemTypeKeyword : automotive-air-horns Manufacturer : AOLIHAN Material1 : Acrylonitrile Butadiene Styrene (ABS) Material2 : Co NoiseLevel : 130 decibels NumberOfItems : 1 OemEquivalentPartNumber : ALH-WN PartNumber : ALH-WN ProductDescription : Air Horn for Truck,Super Loud Train Horn,12V Waterproof Electric Snail Horn,Horn for Car ,Motorcycle, Truck,Train(black horn with wire and button) ProductSiteLaunchDate : 2021-06-29T15:50:58.368Z Size : 12V Style : Classic SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 25172100 Voltage : 12 volts