▷ High quolity polycrystalline silicon with high power efficiency; ▷ Colorful plastic frame, more customer charming; ▷ Light weight, convenient for carrying outdoors; ▷ Easy cleaning, the surface has high pollution resistant, dirt can be easy clean; ▷ Easy to use, can choose USB or DC5.5 plug; ▷ Environment friendly, no air pollution. Clean energy.