Feature: 1. Perfect addition to 12V or 24V vehicles. 2. Designed with an air chamber between the trumpets that will produce a powerful echo sound that replicates a locomotive. 3. All metal construction throughout so to withstand the extremes in all weather conditions and to provide years of dependable service. 4. Loud and clear sound. 5. Low power consumption and fine performance. Specification: The Horn is the perfect addition to 12V or 24V vehicles. This attractive horn is designed with an air chamber between the trumpets that will produce a powerful echo sound that replicates a locomotive. All metal construction throughout so to withstand the extremes in all weather conditions and to provide years of dependable service. The horns base is painted black enamel and both trumpets and air chamber have a bright chrome finish, which will dress up any vehicle big or small. Features: Perfect addition to 12V or 24V vehicles. Designed with an air chamber between the trumpets that will produce a powerful echo sound that replicates a locomotive. All metal construction throughout so to withstand the extremes in all weather conditions and to provide years of dependable service. Loud and clear sound. Low power consumption and fine performance. Specifications: Material: metal Color: silver Voltage: 12V/24V(Universal) Volume level: 300DB Length: approx. 400 * 190 * 110mm / 15.7 * 7.5 * 4.3in Weight: 1669g / 3.68lb Package size: 430 * 223 * 150mm / 16.9 * 8.8 * 5.9in Package weight: 1955g / 4.31lb Package List: 1 * Dual Trumpet Air Horn 1 * Mounting Hardware kit Package List: 1 * Dual Trumpet Air Horn 1 * Mounting Hardware kit