Turns your Christmas Tree into an instant special effects light & sound show controlled by remote Music F/X: attached light sets "dance" to the music. Next song: skip ahead to the next holiday tune. Fade: lights will fade in and out in sequence (audio off). Light show: lights will perform muliple special effects, including fading, chasing, and flashing (audio off). Works with standard light sets. Holiday lights "Dance" to 25 tunes, including: Jingle Bells, Silent Night, We Wish You a Merry Christmas, Santa Claus is Coming to Town, Angels We Have Heard on High, Joy to the World, Deck the Halls, Rudolph the Red-Nosed Reindeer, Frosty the Snowman, The Twelve Days of Christmas.