... SizeMaterialDimensionJM-850DD1-L220V/50Hz3.2V-3.8V1x1W/3WLEDDia 69mmAluminium85x55mm Light Feature:High brightness LED source:white,red,green,blue, ... circuit design,small size,general used in the world. Light Applications:The lights could be applied in many places ... ,hotels,meeting rooms,schools,museums,offices building and other indoor lighting,the industry lighting,the architecture lighting and so ...