... city street,garden.roof. wind and solar hybrid power system specificationComponent namePerformanceLight source60W high-brightness LED, life span>50000h, illuminance >28lux ... 16%)Lamp towera) anti-corrosion: Hot-dip galvanizing spray, 5 years without fading, the service life of 20 yearsb) ... reverse, output circuit & over-load ,with automatic unloading function high quality solar wind energy generators