PREXTEX Incandescent Christmas Lights - 100 Multi Color String Lights with Green Wire - Twinkle Holiday Lights for Indoor Christmas Tree Decor - End-to-End Connectable, Includes Extra Bulbs - 20 Feet

Comprehensive Set: Includes 20 feet of christmas lights indoor with 100 multi-color bulbs; features green wire; comes with 2 flasher bulbs for twinkle effects, 2 extra bulbs, and 2 replacement fuses for easy maintenance

Decorative Versatility: These christmas string lights are suitable for holiday decor; ideal for indoor spaces like bedrooms or patios; also used for weddings, fences, and year-round celebrations

Indoor Use: Incandescent christmas lights with green wire blend into tree branches or decorations; ideal for indoor Christmas tree lighting; provides a magical twinkle effect for your festive setup

Twinkle Effect: Swap out one regular bulb with the included red-coated flasher bulb to create twinkle lights for Christmas tree; each set includes 1 flasher bulb for every 50 bulbs, adding extra sparkle

Expandable Design: Connect up to five sets (500 lights total) of twinkling christmas lights with the end-to-end connector; each set features 5-inch end connectors and 2-inch spacing between bulbs for even illumination