High Quality --- Equipped with Corrosion-resistant aluminum body with Black Finish and an IP66 waterproof rating, it is better protected against damage and will last longer than other, weaker, speakers. With Ultra-thin Speaker --- The 200W, extra slim speaker is only(5-5/8" L x 5-1/2" H x 2-1/8" W), but it still produces up to 125-135 dB of attention-getting sound. Compact design fits behind vehicle's grille or push bumper. Additional Power Switch (A/B) --- 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 compact speaker 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] 37 Different Siren Tones --- This Emergency Warning Horn siren PA system offers the essential function of 37 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.