About this item 403ft Extra Long Design: Multicolor Christmas Lights equipped with 1,000 high-brightness LED beads(red/blue/green/yellow) and a 9.84ft power cord, that enough to wrap around and beautifully decorate a 15ft Christmas tree—no extension needed. Perfect for wrapping trees, adorning porches, or lining roofs, these waterproof outdoor string lights instantly elevate your holiday decor. Let the LED String Lights accompany the children in their Christmas holiday, creating a cheerful and cozy family atmosphere that fills every corner with festive joy, elevating your holiday spirit to new heights! 1 Steady ON +7 Dynamic Modes For Any Mood: Featuring 8 exciting lighting modes—Combination, In Waves, Sequential, Slo-Glo, Chasing, Slow Fade, Flash, and Steady On—these LED Christmas String Lights help you craft the perfect ambiance for any event. Switch seamlessly between steady-on illumination for everyday use or photo walls, flashing for lively parties, and chasing effects for stage or festive settings. With led Christmas Lights diverse modes, you can customize your light show to suit any occasion. Smart Timer & Memory — Let Your Lights Remember Your Life: Simplify your holiday setup with an integrated timer and memory chip, forget about turning the LED Christmas Lights ON or OFF manually. Christmas Decorative Lights automatically glow at 5 PM, welcoming you home after a long day, and turn off at 11 PM to save energy. For special occasions or extended celebrations, pre-set "Party Mode" (7 PM–3 AM) or "Holiday Mode" ensures your festive spirit never fades. Safe and Family-Friendly Design: Our Indoor Christmas Lights are powered by a UL-certified 29V low-voltage plug, these decoration string lights are designed with your safety in mind. Low-temperature LED bulbs ensure they stay cool even after prolonged use—perfect for hanging around children or pets.