Features: Internal reflux design, up to 110DB, gives you a loud voice to warn others and ensures a certain degree of safety when driving. The unique design of the mounting bracket makes the installation stronger, and the bracket is universal, which allows it to be installed in any position, only requires 12V power and lower power consumption. There is no bulky air compressor, just a small device that produces amazing sound! Suitable for almost any vehicle! Although it is perfect for trucks, our horn is also compatible with SUVs, passenger cars, boats and motorcycles. Our speakers can help reduce unnecessary injuries and improve driving safety. Specifications: Material: Metal Size: approx. 9x9cm/3.5x3.5-5-inch Voltage: 12V Power: 96W Operating temperature: -40-80℃ Type: 1 piece/1 pair (optional) Package includes: 1x train horn or 1 pair of horn Note: Please allow 1-3cm error due to manual measurement. Please make sure you don't mind before you bid. Due to the difference between different monitors, the image may not reflect the actual color of the item.