... CE certificate. 80W, 100W, 150W electronic siren, alarm siren, horn siren, police siren.CE certificated.ISO9001 international quality and ISO14001 environment ... certificate. It adopts design of integrate, all siren tones and output power of microphone can be adjusted ... Frequency200-5000Hz200-5000Hz200-5000HzVolume≥115dB≥118dB≥120dBPolice TonesAirHorn,Siren,Yelp,Wall-1,Wall-2,Hilo,PriorityLight Control2 ...