Feature:-Good sound quality: unaffected vibration, low temperature, high temperature and voltage change.-Suitable for cars, trucks, boats, motorcycles, any 12V/24V vehicles.-Easy to install, shiny chrome finish and tuned train horn sound.-Durable: High quality material, not easy to damage.-The plug has good contact: hoarse is not easy to see.-High abrasion resistance: abrasion resistance, promising long life.-Single horn, no air system required.Specification:Name: Car Air HornColor: SilverVoice Coil: Copper, zinc alloyMaterial: Copper, zinc alloyVoltage: 12V / 24V UniversalDecibel Output: 115 DBWeight: 750gPackage:1 x Car Air Horn1 x Extension rod1 x Fixing Plate4 x Screws4 x NutNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne.2.Please allow slight deviation for the measurement data.3.Please allow 1-2cm error due to the hand measurement .