STAR LED STRING LIGHT Low Voltage Certification plug-in transformer, which can prevent users from electric shock, short circuit causing fires. AC Power is MUCH BRIGHTER than Solar Power and Battery Power, this lantern string light is powered by AC power, which can provide a consistent power to make the string lights more gorgeous. Perfect fairy light for wedding/birthday/graduation/dinner party, or as a birthday gift, christmas gift, mother day gift or thankgiving gift for mom, dad or friends. Length - 18 Ft.- Plug-in Power Supply 16 Metal Star in 1 String Great for wall hangings, dorm decorations, beach throws, picnic blankets, porch hangings, table cloths, bed spreads, sofa covers or a perfect gift for any occasion