It is battery powered led rope light. 10mm and 13mm, 36leds per meter, cutting unit: 3leds.
 Round 2 wires Led rope light is conducted by two copper  wires, forming single electric circuit, so it produces a static lighting  effect. With a controller, it can be flashing and its speed can be adjusted.
 It is widely used for decorating or  illuminating your home, or business, creating figure, or building Christmas  sign display in many occasions such as corners, ceilings, staircases, decks, driveways,  boats, galleries, clubs, parties and holiday.       http://www.lightdg.com