72 Ft 150 LED Copper Wire Outdoor String Lights 72 Ft flexible copper wire, 150 bright led. Great Christmas Gift Idea, setting up a little fairy garden outside your kid's bedroom window to play with their imagination and creativity. 2 ways of power supply: Connect USB port to PC or Adapter for indoor use. Connect to waterproof solar panel for outdoor use. CDS solar panel, auto on at dusk, auto off by day; 3 working mode: Steady on, Flashing, Off Compared to the old version panel with 1200mAh capacity, the upgraded is much bigger with larger capacity 1800mAh. It is angle-adjustable for optimum sunshine exposure. 2 optional installations: Unlike the old version that can only be sticked into the ground, the upgraded one can be either sticked into the ground or mounted onto the wall; The spike is longer and sturdier as well.