Holiday Essence 140 Red Musical Twinkle Christmas Lights &ndash; Indoor - Plays 25 Classical Holiday Songs - 8 Function Chaser - Green Wire- 26 Ft Wire Length, 2" Space Between Bulbs, UL Listed BULBS Steady Illuminating - if one goes out the remaining stay lit Use 1.8V Replacement Bulbs Extra Bulbs included LONG LASTING - 25,000 Hour Average Bulb Life - Safety Fuse - Can connect multiple light strings, A maximum of 4 of these light strings can safely be connected. Includes 8 Function Chaser Options: 1. Combination 2. In Waves 3. Sequential 4. Slo-Glo 5. Chasing/Flash 6. Slow Fade 7. Twinkle/Flash 8. Steady On SAFE - Safety Fused for Your Protection - * USE * For Indoor Use. Plays the Following 25 Songs: Angels we Have Heard On High-Silent Night-We Three King of Orient Are-Jingle Bells 6.We Wish You Merry Christmas-The Twelve Days Of Christmas-Up On The Housetop-Jolly Old Saint Nicholas-Good King Wenceslas-O Come, All Ye Faithful-Joy to THe World-It Came Upon the Midnight Clear-Santa Is Coming to Down-O Christmas Tree-Rudolph, The Red-Nose Reindeer-What Child Is This-I saw Three Ships-O Little Town Of Bethlehem-God Rest YeMerry, Gentlemen-Deck the Halls-The Herald Angels Sing AND MORE...