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Power Stair is a novel energy-saving and enviromentally-frriendly stair accessory which makes full use of peoples life habit.Power Stair is mainly used in public place ,such as Train Station,Subway,Large-scale shopping center and so on .Since the flow of people in these places is large ,Power Stair can gain enough power from people walking and light its LED which can light for the people walking at night and reserve surplus power for other electrical equipment around .
Zhao Bin Pang jianjun Huang jianbo Hu jie Wang yu