The Whelen Beta Full Function Controller offers a range of features designed for efficient and seamless use in emergency vehicles. Its hands-free operation allows you to effortlessly cycle through two or three siren tones without taking your hands off the steering wheel, ensuring quick and safe functionality during critical moments. With 16 customizable siren tones, including Wail, Yelp, Piercer™, HighLow, and Air Horn, you can tailor your audio alerts to any situation. The noise-canceling microphone ensures clear communication even in noisy environments, making it easy to use both Public Address (PA) and radio repeat modes for effective announcements. Additionally, the PA override feature gives you full control to address urgent situations, while the 200-watt output delivers powerful sound through two 100-watt speakers. Convenient dip switch access allows for instant configuration of operating modes, including Title 13 compliance. Pre-wired and pre-drilled for under-dash mounting, the compact control head is designed for easy installation and reliable performance, making it a versatile and essential tool for emergency responders.