Owning these advantages, (shock resistance, waterproofing, good ability of sunlight absorption, interlock design, and a strong leg), road stud lights can be installed in any poor places with poor sunlight, rainy days, and a lot of heavy vehicles. Road stud light is widely used in the European Union, the United States, and other countries. Solar road stud lights not only feature a safe property but also with beautiful appearance. At night, it looks like a necklace to dress up a city and a road.