Siren with 6-position rotory mode. Backlit operation panel makes for easy night-time readability. Function selector provides: horn, wail, yelp, phaser and two-tone modes. Activate the dual push-buttons for manual, "phaser" and air horn override functions. Designed for ambulance, fire truck and police markets. Designed to exceed SAE, GSA, and KKK specifications. Amp: 17.0. CTN: 4.