Solar streetlight using the solar panel to transfer and save energy in the secondary cell which can support the electricity for light at night. No need for complex and expensive pipeline and can change the the layout for the lights easily. No need for manual operation with reliable working function.
safe, energy saving, no contaminated save electronity cost and no need for maintaince each of the solar panel light is indivivual and no need to worry about all lights stop working because of one of them as the normal street light.