Siren Tones: Wail, Yelp, Manual, Phaser, Airhorn Carson Sirens 5 Year Limited Factory Warranty This compact full function siren is a great siren head to build your warning sytem around The four position rotary switch with push button override gives you great options. The included siren tones are: wail, yelp, manual, phaser, and airhorn. Has PA override with attached noise canceling microphone. Meets KKK-A-1822C for ambulance. California Title 13 Configurable. Meets class A sound level output.