The Christmas Tree Companion: Specially contoured to hug your tree’s shape. Secure the top ring, arrange each string light in sequence, then release the cord for effortless vertical draping. Plug in — instantly ignite twice the sparkling brilliance! No more tedious winding like old-fashioned lights. Transform your tree into a dazzling centrepiece in just 3 minutes! 8 Modes for Christmas Tree Lights: Enjoy 8 different lighting effects with these Christmas tree lights! Simply use the button on the plug to switch between modes: Combination, Waves, Sequential, Slow Glow, Chasing/Flash, Slow Fade, Twinkle/Flash, and Steady On – creating a wonderful fairy light show! With multiple flashing modes and diverse lighting effects, these lights are perfect for different scenes and will add a magical festive touch to your Christmas tree and holiday decorations. Memory & Timer Functions: These Christmas tree lights remember your last setting – no need to reset modes each use! The smart timer is simple to activate: Press the plug button for 3 seconds until the green indicator lights up (keep power on). Lights will automatically cycle between 6 hours on and 18 hours off. Enjoy energy savings and daily convenience without manual operation! Waterproof LED lights: This 400LED warm white Christmas light includes 16 strands (6.6ft each; 25 lights/strand) with 16.4ft lead wire. ideally decorating 6-7ft Christmas trees. For smaller trees, simply wrap excess strands evenly through branches. IP44 weather-resistant construction withstands light rain/snow. Safety-certified low-voltage operation (31V max). Please keep the power adapter away from water and keep dry. Perfect Christmas Tree Decorations: These Christmas lights shine both indoors and outdoors – ideal for trees, parties, weddings, gardens, patios, and yards. They also make heartfelt gifts for family, friends, or yourself!