Advantages of the LED: Saving energy and environment protection. The energy of led is 1/10 of the traditional halogen lamp, it can better protect the electron circuit and save oil. Long life. The theoretical data is more than 100,000 hours. Quick speed for start. LED needn't to pre-heat, so it has no delays. It is with the same time for the machinery starting and the light signal giving out. so it can reduce the traffic accident. High ability of shock resistant; brighter light; low temperature. LED light has the pure color.