... obturatingring,water proof,serive life≥25 yearsController12V/10A, Intelligent, Light & Time sensor,serive life more than 5 yearsCable2* ... power backup for 3 rainy days1. The LED street lamp contains many advanced technologies.2.The structure of ... and with high uniformity of the devices, the light utilization are more that 95%5.The lamps adopts ... the important urban roads and high way. Solar Street Light