The Federal Signal Vibratone Horn Model 350 is a high-quality alarm speaker designed for use in industrial and commercial settings. This 120VAC 50/60Hz horn is reliable and durable, providing clear and powerful sound to alert personnel and vehicles of potential hazards or situations. With its proven track record and reputable brand, the Federal Signal Vibratone Horn Model 350 is a top choice for businesses looking to enhance their safety and surveillance systems.