OKPOW 4 Sets Fairy Starry LED String Lights Batteries Included for Christmas Wedding BBQ Party Xmas Tree Light Mason Jar Table Bed Decoration with Warm White Light(Each One 2M/20LED) Small battery pack is easy to hide as they are so thin, easy to install anywhere you want Energy efficient, this starry lights will not overheat after prolonged usage It's bright enough to illuminate the dark corner, or you can use it to create a romantic atmosphere The lights string is submersible, but non-submersible battery pack. You should protect them well when use them outside Bendable into desired shape. Versatile for holidays, weddings, celebrations and indoor decorating