The Kleinn Model 321B is a premium, high-capacity rocker switch featuring a vibrant blue LED illuminated face designed to fit seamlessly into most standard rectangular dashboard or console cutouts. Engineered to provide a bold, custom look that proudly showcases your high-performance setup, this heavy-duty switch is rated at a robust 20 amps for 12-volt systems and 12 amps for 24-volt systems to safely handle the electrical demands of your air horn solenoid. Outfitted with a dedicated independent pin for independent backlighting wiring options, it delivers highly visible, tactile, and dependable horn activation day or night, serving as the perfect command center trigger for your onboard pneumatic system.