Good economic returns, the modelling is exquisite, can be used as road landscape.garden,highway or city street;beach. SOALR AND WIND system ... height& 30m in horizonSolar panels80W x 2. imported monocrystal silicon solar panels(life span>25years, inverter efficiency 16%.Lamp towera)anti ... -charge, reverse, output circuit & over-load ,with automatic unloading functionNotes: wind solar hybrid systems