Description: LED lights are closely connected directly  to the shell has a cooling wing which makes  the cooling system  well; the life time  is 50,000 hours, if it works 12 hours per day ,it can at least works for more than 10 years; low cost; no adverse glare;no strobe, eliminate the glare caused  by the dazzling lights ,vision fatigue;improve driving safety; is green safe, no pollution,free lead, free mercury and no pollution elements