Selected weather and impact resistant PC lampshade, whose impact strength is 1.3 times higher than the industry standard after testing, has no yellowing and aging resistance after long-term exposure; Equipped with imported high brightness LED beads, with a light decay rate of less than 4% after 5000 hours and a light uniformity of over 92%, the road is clear at night. IP67 waterproof and dustproof, stable operation in extreme environments from -40 ℃ to 85 ℃, honeycomb heat dissipation design improves efficiency by 30%, service life exceeds 35000 hours, compatible with original factory interfaces, and installed without looseness.