It includes a voice controlled loudspeaker with 3 meters light string. When you turn on the switch, the product can light up and be accompanied by songs.. The product will play the chorus part of the song, which will definitely shock you!Add a song and decorative lights to your Christmas decorations. This is really cool! You will shock your relatives and friends! It is also the perfect DIY product for Christmas decoration. You can go to DIY as you like.Singing and lighting can easily become the main center of the Christmas theme, or just add an invisible Christmas ghost in your yard/indoor/outdoor. This will definitely make you the focus of the whole street.1. Turn on the switch-sensitive voice-activated sensor product lights and play Christmas songs for one minute.2. 3-meter waterproof string lights for decorating outdoor Christmas trees and indoor Christmas trees3. Automatically pause, detect the sound and light up again and singSong list: Christmas song All I Want ForChristmas Is YouProduct lighting: colorful / warm whiteProduct battery: 3 AA batteries (not included in shipment)Lamp beads: 30 LEDsMaterial: plasticcolour: whitePackage Contents:1 x 3 meters Christmas sensor music light string