The Wolo 3050-A B-Seen is designed for the user that requires the cutting edge GEN III LED warning light technology at an economical price. Designed with the finest quality electronic components throughout to assure low power consumption and years of dependable service. The 1-Watt LEDs are super bright and produce 80 double flashes per minute. B-Seen has no bulbs to burn out or replace, and is totally maintenance free. The Fresnel lens is engineered to increase the lights visibility. B-Seen has a powerful magnet bas that is protected and will not scratch the vehicles paint. Simply to use, comes with a 10 Ft. power wire with cigarette lighter plug.