Description:Applicable: To fit perfect on any Truck, SUV, Car, Boat, Or Train, The Trumpet measures 4.1x15.7 inch.Feature: Will work on any vehicle that has a 24 Volt DC Power available. Our powerful super loud 150DB sound that can not be ignored. The sound is strong, loud and in good .Material: It is constructed out of Premium High Quality stainless steel material to ensure maximum strength, durability in any weather, and will last for a long time.A Must-have Item: Its a perfect Horn Kit to get everyone s attention or to deliver the warning needed and your complete peace of mind when driving.Easy to Use: Maintenance free and does not require a compressor or hosesSpecification:Material: MetalColor: SliverSize: 10.5x40cm/4.1x15.7 inchPower Source: 24VImpedance: 5Sound Level: 105dbWorking Temperature: -40-80 degrees CelsiusSize Chart:Size: 10.5x40cm/4.1x15.7 inchPackage Includes:1 Piece Single HornNote:1.Please allow 1~3 cm error due to manual measurement, thanks.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand.