Size: 25.5ft Length. Pre-lit with 50 5-millimeter LED bulbs. 6-inch light spacing and 4-inch green wire end-to-end connecter (connect up to 16 sets). Commercial Grade. I-Mold contruction with rectifier. For Indoor or Outdoor Use. Great for porches, walkways, bushes and gardens, etc. Holiday Lights Sets Novelty Lights and more by by Kurt S. Adler, Inc. Christmas Lights Decorations and Holiday Decor. This light set offers a wide variety of commercial and residential uses and would be a terrific addition to any holiday decor.