STRUCTURE: String light is just a string of made by LEDs,a group of LEDs are connected in series to form a string ,when applied power ,all LED in the string will light immediately. A complete set of string light consists of a power cord,LED string and end,the end of each LED-string is designed extendable,it can be blocked with an end cap,or can be coupled with next string light FEATURES: 1.Very convenient to use,mainly for decoration of trees,plants with hard stems or any objects which are to be decorated. 2.Rated voltage:24V,100V,110V, 230V available. 3.life span over:80000hours. 4.Easy to assemble and maintain. 5.Extendable. 6.LED are available in white, green, blue, yellow and red color