Battery-powered and more economical: Each wine cork fairy light is powered by 3 LR44 batteries (batteries included) and does not need to be plugged in, making it convenient to use. The silver wire is waterproof, but the battery is not waterproof. Continuous lighting can last for 12 hours if it is only on for a certain period within 24 hours or longer. Easy to use and install: Each cork has an ON/OFF switch. Simply turn it on and off. Our bottle lights can be easily inserted into the top of a wine bottle. You don't need to drill a hole in the bottle. Just turn on the lights and enjoy these amazing bright fairy lights. A new way to recycle bottles with romance: 20 super bright LEDs on a 2m long and thin silver wire. Low heat emission and environmentally friendly design. Cute beautiful bottle cork string lights can create a romantic, peaceful, and warm atmosphere after decoration. Enjoy DIY fun and for many occasions: Made of high-quality ultra-thin silver wire, better than ordinary copper wire, these battery-powered wine bottle lights can easily be shaped into any DIY form you desire. Suitable for parties, weddings, barbecues, Halloween, Christmas, squares, gardens, indoor and outdoor decoration, etc. It is also a great gift for your children, friends, and families. Do you want a romantic atmosphere? Do you want to make your apartment uniquely beautiful? The cork string light is beautiful and fits everywhere. Put the lights in glass bottles and you will have bottles as if there are fireflies or stars in them. With the strings, you can make your own decorative pieces with warm white light for the table, room, flowers, patio, wedding, party, Christmas, New Year, and Christmas gifts. The lights can brighten up your life and show your love to your family and friends. Your neighbors will also sympathize with your joy of life, making you feel much more warmth and love. The lights are a great gift for your children, friends, and families. How to use the wine bottle lights with corks? Step 1: after unpacking the package, remove the insulating film and check the light; Step 2: turn on the light with the on/off switch (if the light does not turn on, replace the batteries); Step 3: turn off the light in good time after use and replace the insulating film to extend the battery life. Product information: Material: Copper wire and plastic cork Color: Warm white Bulb type: LED Power: 0.5 watts Cable length: 2 m per piece Battery: LR44 battery (3 batteries required per light) Scope of delivery: 16 x corks with LED string lights with warm white light color (incl. 48 batteries)