Multi-Mode Dazzling Christmas Lights: Create a mesmerizing ambiance with our white Christmas lights featuring 8 stunning lighting modes, including slogs, combination, slow fade, twinkle/flash, in waves, chasing/flash, sequential, and steady on. Choose the perfect mode to suit any occasion or mood. Convenient Timer Function: Say goodbye to manually turning your lights on and off. Our LED white string lights come with a built-in timer function. Simply press and hold the button for 3 seconds to activate the timer. Once the button turns green, the Christmas lights will automatically stay on for 6 hours and then turn off for 18 hours, providing simple and straightforward operation. Expandable and Versatile: With 91.5 ft of length and 250 individual LED bulbs, our white lights outdoor are end-to-end connectable. Connect up to 4 light chains (up to 1000 LED bulbs and a maximum length of 366 ft) without the need for additional plugs or sockets. Illuminate larger spaces effortlessly. Waterproof and Reliable: Designed with an IP44 waterproof rating, our white Christmas lights outdoor can withstand rain showers (plug must be protected). Whether it's indoor or outdoor decoration, such as Christmas trees, patios, concerts, or hallways, these white sting lights are the perfect choice. Ideal for Christmas, weddings, parties, or creating a cozy atmosphere in your home, bedroom, garden, or balcony. Safety and User-Friendly: Our white Christmas tree lights outdoor have passed rigorous UL certification, ensuring safety and reliability. The low-voltage 30V plug guarantees low energy consumption, no radiation, and remains cool to the touch even after extended use. Simply plug in to illuminate, and easily unplug or switch off the power when not in use. Convenient and operation without worries. JMEXSUSS 250 LED White Christmas String Lights, 91.5ft Extendable Green Wire Christmas Lights Outdoor Waterproof, 8 Modes LED White String Lights Indoor for Tree Wedding Party Garden Patio Decoration