Domes adopt high-transparency and stronger impact-resistant material. It adopts Xenon bulb as the light source Beacon LTD809(warning light,emergency light,traffic light,police light,beacon.)Domes adopt high-transparency and stronger impact-resistant material.It adopts Xenon trobe bulb as the light sourcemulti- strobe is regard as a flash period.It has mighty magnetic. The mousing material is PC