Brand new still in box TRUX THORN-1 Chrome 3 Bell Train Horn with 130-135 decibels with Electric Solenoid 12/24VDC. Designed for unparalleled reliability, this horn is a testament to the combination of form and function, ensuring that your presence is heard loud and clear on the road. The THORN-1 model, with its manufacturer part number THORN-1, boasts a sleek design that complements any semi-truck aesthetic while promising an audible experience that is both efficient and effective.