Ascension warm white LED lights are battery operated requiring 3 AA batteries (not included).the LED lights are not replaceable. Safe and low voltage for daily use in your home. The ball are handmade with tiny rattan, very modern and elegant.We recommend to use for home decoration, wedding decoration, bedroom light , party light and outdoor garden light.The light Strings is the excellent decoration for Christmas Gift. You can install them anywhere, not only on your home. You will be able to benefit of their light nature effect on holiday, celebrations, weddings to enhance the flower bouquets, tables, and ceilings. Traditional Holidays like Halloween, Christmas, Valentine’s, Mardi Gras, custom parties.