Dazzling Lighting Modes: Create a mesmerizing ambiance with our Christmas string 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 Christmas 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 lights will automatically stay on for 6 hours and then turn off for 18 hours, providing smooth and uncomplicated operation. Expandable and Versatile: With 91.5 ft of length and 250 individual LED bulbs, our Christmas string lights 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 and blue Christmas string lights can withstand rain showers (plug must be protected). Whether it's indoor or outdoor decoration, such as Christmas trees, patios, concerts, or hallways, these 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 Christmas string lights 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 concerns. JMEXSUSS 250LED Christmas String Lights 91.5ft Extendable Green Wire Christmas Lights Outdoor Waterproof, 8 Modes LED String Lights Indoor for Tree Wedding Party Garden Patio Decoration, Blue & White