Function:

1. It confirm with national standard GBB108-1999.
2. Novelty structure, attractive design, excellen performance, complete function, covenient operation, steady and safety, ideal products for upscal vehicles.
3. Monolithic integrated circuit in steadier performance.
4. Special super-thin design, harmonious with inner decoration.
5. Kinds of warning tone are optional such as siren, horn, tool, base tone and amplifier tone.
6. Volume of amplifier tone and warning tone are adjusted at your option.
7. Front panel are shown in Chinese or engligh.
8. Controlling two groups of big power light bar at the same time without being restricted by power swith of siren.