Wolo (3105-B) Beacon Light Rotating Emergency Warning Light - 12 Volt, Blue Lens Blue lens Super bright 12-volt rotating warning light with a bulb that produces eight candlepower which is magnified by a chrome Fresnel reflector Produces 60 flashes per minute with a permanent magnet low noise motor Lens and base are both made of strong ABS plastic The base has three powerful protected magnets that will secure the light to any metal surface