Wolo's new PRIORITY 2 has two powerful strobe lights that produce 16 joules. Each strobe light double flashes 80 times per minute and is built with a diagonal mirror between the lights for greater visibility. The lens is constructed of strong polycarbonate and each light has an internal fresnal lens to magnify the light greater distances. All magnet models come with a coiled power wire that has a cigarette lighter plug. Made for all weather conditions, maintenance free. Dimensions: L- 15.75" x W-7" x H-5.25"