Feature: 1. Single trumpet, 150dB super loud, clear and striking, can\u0027t be ignored, a powerful warning. 2. With a polished shiny chrome horn, they cast a striking appearance on any vehicle mounted. 3. Easy to install with necessary hardware, simple and convenient. 4. Made of premium quality material, ensure stability and durable for a long time use. 5. It can be mounted on application that has a 12V DC power available, like Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Busses etc. Specification: Features: Single trumpet, 150dB super loud, clear and striking, can't be ignored, a powerful warning. With a polished shiny chrome horn, they cast a striking appearance on any vehicle mounted. Easy to install with necessary hardware, simple and convenient. Made of premium quality material, ensure stability and durable for a long time use. It can be mounted on application that has a 12V DC power available, like Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Busses etc. Specification: Name: single tube square port electric control air horn Voltage: 12V / 24V Current: 3.0A DB: 150db Article No.: as036 Color: chrome plated Suitable for trucks, ships, trucks Package Size: 64*20.5*14cm Package Weight: 1700g Package List: 1 * Single Trumpet 1 Set * Hardwares ( as the picture show ) Package List: 1 * Single Trumpet 1 Set * Hardwares ( as the picture show )