1) electric siren 2) Police Tones:Horn,Bass Horn,Siren,Yelp,Wall-1,Wall-2,Hilo,Priority1,Priority2. 3) ... Audio Frequency200-5000Hz200-5000Hz200-5000HzVolume≥118dB≥120dB≥122dBPolice TonesHorn,Bass Horn,Siren,Yelp,Wall-1,Wall-2,Hilo,Priority1,Priority2Auto ... Horn√Radio√Light Control2 WayLight Control Current15A×2Operating Temperature-40 to ...