Whether you are a Professional, Volunteer, or Civilian Public Safety Officer, this 30-Watt Siren and PA system is perfect for your needs. System Includes 3 different powerful siren tones to cut thru the heaviest traffic snarls, and a Public Address System to issue safety instructions and information once you are on site. The rugged microphone includes a large push to talk button for easy access and use, and a coiled cord for tangle free operation. Easy to use front panel mounted push button selector switches for the siren tones, 3.5mm plug-in for the PA Microphone. Features rotary on/off volume control.