Pre-wired unidirection microphone with PTT (push to talk) button overrides the siren during time of usage, and hands-free operation with override from the horn ring. High Quality --- Equipped with Corrosion-resistant Heavy Duty Steel body with Black Finish, and an impressive IP66 waterproof rating, it is better protected against damage and will last longer than other, weaker, speakers. With 200 Watt Speaker --- This 200 Watt High Performance PA Siren Horn Speaker has a sound compression level of 125-135dB, 200 Watts, Impedance: 8 Ohms and a frequency range of 400-4000Hz. Additional power switch --- Equipped with two additional 10 amp switches to power your traffic warning lights or other equipment without the need for a second switch box. Universal siren compatibility --- This Siren PA System is the perfect choice for vehicles of all sizes, including trucks, SUVs, sedans, compacts, ATVs, UTVs and Police, ambulance, fire, engineer, private vehicles, etc. [Upgrade] 9 different siren tones --- This Emergency Warning Horn siren PA system offers the essential function of 9 different siren tones, wail, yelp, horn, horn-1, horn-2, aux. Pre-wired unidirection microphone with PTT (push to talk) button overrides the siren during time of usage.