Twinkle Lights Battery Operated Slow Blinking 9 Feet 8 Inches Set of 1, Warm White Every 3rd Mini LED chip blinks, creating a soft twinkling effect - 30 LED chips per set Fairy lights- 9' 8" long on a silver colored wire Uses 2 CR2032 lithium batteries (4 included). Batteries last 6 to 8 hours when turned on 24/7. Submersible, so you can also have beautiful lighting outdoors! Small, easy to hide battery pack - 1  inch in diameter and height. One year guarantee- Check your lights immediately upon arrival. We do our best to insure you receive a quality product, but there may be occasional defects. Colors may appear differently depending on your computer screen.