【Safety Comes First - 100% Whole Set UL】Our waterproof string lights is authoritative UL certified make this lights safer than those without UL approval. Low consumption, no radiation, no over- heating even after long time using. Not only the light, but also every part has all passed UL certification, including string wire, tungsten bulbs, and output plug.【Durable Last Long & 90% Energy Saving】Those home accents holiday lights Made of top quality commercial-grade 22AWG wire. Pure copper electric core, fast conduction, low heat, tough and sturdy, not easy to break apart, Flagicon Christmas lights outdoor can be reused for many years. 200 tungsten bulbs source can save 90% energy than traditional incandescent, and will last over 50,000 hours.【2 Pack Warm White Glow】The length of each warm white decorative lights set is 36FT with 100 counts per string, 2.5V and 0.43W per bulb, built-in 3A fuse for safety use. Extra 8 bulbs and 4 fuses included, and each bulb is 8.5 inches apart.【Unique Series-Parallel Circuit Structure】When one or several bulbs are damaged or extinguished, the other bulbs will still light well, and the power, voltage, and current of the entire circuit will not be affected. Besides, the fairy lights comes with 8 spare extra bulbs and 4 spare fuse. You can completely say goodbye to those lights of poor quality and short life.【IP55 waterproof & Perfect Holiday Gift】The Christmas outdoor lights are perfect for indoor and outdoor use, especially ideal for Christmas, wedding, party, store, bar, mall, home decoration, living room, backyard, fashion show, club, best gift to decor Christmas Tree. Garden Patio Outdoor use.