1. Tone charactor: Siren, manual, wail, yelp, hi-lo, horn, radio.
2. Handhold mike, with controller.
3.Monolithic integrated

1. It conform to national standrad GB8108-1999.
2. Tone charactor: Aux, yelp, hi-lo, wail-1, wail-2, wail-3. Siren, horn and so on.
3. Handhold mike. With controller.
4. Monolithic integrated circuit in steadier performance.
5. TECHINICAL DATA: Voltage: 12V/24V
Power: 100w, 150w, 200w
Impedance: 8Ω/6Ω
Sound compression level: 120-130dB