These 105ft string lights feature 300 vibrant blue LEDs, perfect for creating a magical atmosphere in any indoor or outdoor space. With a generous length, they provide ample coverage for Christmas trees, patios, gardens, weddings, and parties, bringing a festive glow to any event.Featuring 8 different lighting modes, including combination, waves, sequential, slo-glo, chasing/flash, slow fade, twinkle/flash, and steady on, you can easily adjust the ambiance to suit your mood. The lights also come with a memory function, ensuring your last setting is saved even after turning them off.These lights are expandable, with end-to-end connectors allowing you to link up to four sets for larger displays. This makes them ideal for covering wider areas, both inside and out, with a consistent and stunning glow.For added safety, they operate on a 29V low-voltage transformer and are UL certified. This ensures safe use, meeting safety standards for holiday lighting. The low voltage also keeps the lights cool to the touch, even after long hours of operation.The durable, weather-resistant design ensures these lights can withstand outdoor conditions, making them reliable for year-round use. The construction prevents overheating, and the strong materials ensure they won't break easily, providing long-lasting use.