Shimmering Twinkle Window Icicle Lights - 3 Feet (0.91 m), 12 of 50 Lights Twinkle - 50 Clear Incandescent Bulbs - Random Twinkle Christmas Window Icicle Lights - Indoor Outdoor

These window icicle lights are designed for indoor window decoration, featuring a warm white glow and a sparkling effect. They are made with high-quality materials and include spare bulbs and fuses.

• The description claims that the lights are UL listed.
• The description claims that up to 10 sets can be connected end-to-end.