ER CHEN(TM) 12 Set Micro 30 LEDs Super Bright Rope Lights Battery Operated 10 Ft Long Ultra Thin Copper Wire Starry String Lights Home Bedroom Party Tree,Warm White Low consumption & Battery-operated - With 2 CR2032 Batteries (included!!) are required Package Includes:12pcs 30 Miniature LED lights on a 10 Foot long copper wire string lights. Flexible copper wire can easily build the shapes you want. Great for use in Weddings - Bridal Bouquets Cake Tops Doll Houses Miniatures Christmas Trees Wreaths and Costumes, Minimum of 48 hours operating time - Steady On 1 year warranty and 30 days money back guarrantee by ER CHEN.