12V White 120db Siren Horn Speaker Siren
1. NV020S voice chip as voice processing core, superior stable performance
2. High-strength fire retardant ABS material, surface paint treatment,solid and durable
3. Built-in audio amplifier, loud, high-definition, long life
4. Independent high tone speaker design, large alarm volume
5. Beautiful appearance, loud, suitable for installation in corridors, windows and other places.