Each hanging light includes a rechargeable battery that will convert solar power to electricity, Auto OFF in the daytime and Auto ON at night. Energy-saving and environment friendly. Save your electricity, Save your money. Decorative hanging solar light is an ideal gift and home decor lights for garden, patio, lawn, front yard, backyard, fence, balcony, path, driveway, walkway, sideway, tree branch, umbrella, lantern stakes, wedding, Halloween, Christmas, outdoor decoration party or daily life.