Compact Siren & Slim Speaker PA System Siren Bundle 100w - 6 modes -2 20A Switches AUDIO CLARITY AND AUDIBILITY - With an adequate power output of 100W and powerful speakers with a rating of 120-130dB, you get quality audio output which is audible from a distance away. MULTIPLE OPERATION MODES - This warning system features multiple operation options which include Horn, Radio, and Siren with the siren option giving you Yelp, Wail, Hi-Lo and Hi-Lo and also Manual Horn & Manual Siren. 100 Watts of power with ultra slim design + 100 watt siren speaker ADDITIONAL AUXILIARY SWITCHES - The SoundAlert warning system offers two 20A switches which you can use to power other external devices and appliances. Easy to install design. Pre-wired with quick disconnect plug Slim Design 100 Watt Base Unit 100 Watt Siren Speaker 2 Extra Auxillary Switches Wired Handheld Microphone Quick Disconnect Plug Mounting Accessory Kit Volunteer Fire Security Patrol Search &amp; Rescue Tow Vehicles