Illuminate your Christmas tree with these vidaXL LED tree lights in a stunning blue hue. Designed to create a magical holiday atmosphere, these lights feature 500 individual LEDs with 8 captivating effects including combination, slow-glow, twinkle/flash, waves, chasing/running water, sequential, steady on, and slow fade. The dark green wire blends seamlessly with your tree, while the water-resistant design makes them suitable for both indoor and outdoor use. With a total of 10 strings and a generous 500 cm length, they are perfect for trees up to 500 cm in height. Simply place the lights on top of your tree and let the strings drape naturally. The lights are powered by a 5V USB connection (USB power source not included) and have a maximum power of 6W. The dark green cable and product are water-resistant, but the included USB is not waterproof and must be protected from water. These lights are a beautiful way to decorate your Christmas tree and provide a cosy ambient light. Easy to store for future use. Product summary: vidaXL blue LED Christmas tree lights, 500 LEDs, 500 cm, indoor/outdoor, 8 lighting effects, dark green wire, water-resistant, 5V USB powered.