【Battery operated】 2 meters of flexible copper wire with 20 LED lights. 3 LR44 batteries included, battery life 30 hours (constant light state). You don't need a power outlet, you can enjoy the fun of this mood light anywhere. 【Easy to use】 Each flashlight with an ON / OFF switch.Easy to turn on and off.These wine bottle lights are designed like corks, so they can simply be plugged into the opening of commercially available bottles of wine. 【Safety】 These LED string lights are made of ultra-thin, waterproof and high quality copper wire. They won't overheat after many hours of use. You don't have to worry about children or pets touching them. 【Enjoy DIY Fun】 This LED string light can be easily designed to any shape you like. The size is suitable for most bottles such as wine, whiskey and beer bottles. Suitable for parties, Halloween, Christmas, gardens, gardens, interiors and exteriors 【Package and warranty】 10 x artificial softwood lights (30 batteries included), each 2 meters long.