... siren 2) Police Tones: AirHorn,Siren,Yelp,Wall-1,Wall-2,Hilo,Priority1,Priority2 3) CE certificated. CE certificated.ISO9001 international quality and ... Specification: Siren Amplifiers (Remote control),Remote control, adopting microcomputer chip digital and programming integrated circuit and dial switch ... Audio Frequency200-5000HzVolume≥118dBDual Tone—Police TonesAirHorn,Siren,Yelp,Wall-1,Wall-2,Hilo, ...