Solar Street Light With dimmable Controller:special controller for solar lamps Illuminate: ... lightSpecificationsSolar Panel 140W, monocrystalline or polycrystalline, conversion efficiency: 15%Light Source 30W, individual CREE LEDs, 2175 lumens, 0.3 ... reduce fossil fuel consumption, eliminating pollutionSelf-contained solution - Light on/off controlled by automatic daylight sensing or hour preset ...