Battery Operated:They are LED and battery operates. All you need is 2 AA batteries(not included package)High Material:The wire is made of high-quality ABS material and LED beads it isbendable and portable.Bright and Funny Halloween Lights:Light string feature 10/20 skulls globe each containing an LED light .When powered each globe glows and shows off a smiling skulls face.Perfect Halloween Decorations Strings:Theyare suitable for trees making them perfect for hanging in any indoor space such as bedroom wall stairs front porch window curtains.After-Sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible.Specifications:Material: ABS/LED beadsPower Type: 2AA Battery Operated(not included)Product Color: BrownNumber of Lamp Beads: 10/20LightingMode: Always bright after electrificationLength of Lamp Line: 1.5 m/3 mProduct Weight: 73g / 138g includes: 1 string of Skeleton Skull String Lights"