High efficiency, energy saving, up to 90%, with each lamp no more than 8W;Super long in lifetime, with 3 year warranty. N I C K Spark Solar LED Traffic Light, Solar Traffic Signal Light System, The Safe Guard: 1, High efficiency, energy saving, up to 90%, with each lamp no more than 8W; 2, Multi-sealed, IP65, water & dust resistant; 3, CE, RoHS certified, safe & enviroment friendly; National ...