... power system 1,Energy saving&high efficiency 2,Outer rotor and light in weight 3,Moistureproof 4,CE&RoHS Wind ... Configuration reasonable:reliable,economic,practicability.3,Reliable and durability:under no wind and solar conditions can keep lighting 4days, ... be divided to timely control power,Illuminate,energy saving and environmental protection.11,Installation,operation,maintenance easy,convenient. ...