These colourful ball fairy string lights are ideal to help send your little ones off to sleep. They're made up of 10 warm white led's and are battery operated. They require 3 x aa batteries (batteries not supplied) and are powered by an on / off button on the battery pack. They are 1.4m long (including cable) and can simply be placed in nursery's, playrooms, on tables, and around bedframes to add a cosy feel to your home. These lights look super effective once illuminated. ValueLights Set of 10 Battery Powered Colourful Ball Fairy String Lights