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Outdoor road lighting needs more considerations to get the most premium lighting effects as possible as we can! In the meantime, its general trend shows Simple use,Fast mount,Less costs,Stable operating,Cost-effective Keeping,Energy-saving,Less polutions,More intelligent. All these can be met by DSF All-in-one solar-powered streetlight(I series called). Therefore,I series becomes the indicator of exterior solar driven LED street lighting! DSF offers 360°solutions for road lighting projects worldwide! Not only can concepts/theories be provided, but also top quality products and full tech. supportings offered. DSF aims to push clean energy lighting forward widely and deeply,meanwhile to contribute to our offsprings! DSF I series streetlight makes your 1st&best choice in solving municipal lighting programs more effectively!