Description: Material: Zinc Alloy; Size: 110x70x70mm/4.33x2.76x2.76inch Voltage: 12V; Current: 5A;Decibel: 100-115db Fit for cars, trucks ,van, buses and boats or any 12 volt vehicles. These trumpets can produce powerful sound as loud as 115DB. Easy to install, convenient disassembly, durable and long lifespan. Package Includes: 1 Piece Electric Pump Air Horn Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor