... Panel 140W, monocrystalline or polycrystalline, conversion efficiency: 15%Light Source 30W, individual CREE LEDs, 2175 lumens, 0.3 ... capacity, with a 5-year warrantyLED Light: CREE LEDs provide super-bright light from little power, need simple thermal ... fossil fuel consumption, eliminating pollutionSelf-contained solution - Light on/off controlled by automatic daylight sensing or hour ...