This set of Wine Bottle Cork Lights String features 20 LED Fairy Lights that are battery-powered, making them perfect for decorating parties, weddings, Christmas, Halloween, and bars. The lights add a festive touch to any event and come with a certification of quality. They are designed with a 3V voltage and are not waterproof. The lights are shaped like a fairy and weigh 0.04lb each, with a total length of 2m/ 6.8ft per string. Each line has 10 LED bulbs, with a distance of 10cm / 4inch between each bulb. The lights are made of copper string, plastic, and rubber material, with a flame fixture feature that is cordless and wireless for added convenience. The package includes 1 x Flame Cork Lights and 3pcs of LR44 batteries for each cork.