Light up your roof line or windows and create a festive atmosphere during Christmas with the icicle light! 8 lighting modes: The outdoor icicle light has 8 different lighting effects (combination, in wave, sequential, slow glow, chasing/running water, slow fade, twinkle/flash and steady on), you can switch the lighting modes by pressing the button on the USB to create different holiday atmospheres.Waterproof materials: The LED icicle light is made of waterproof materials PVC and acrylic, perfect for indoor and outdoor use. Additionally, the clear acrylic material gives the icicle a look of real ice.100 LED icicle lights: This light string comes with 100 energy-saving LED icicles in total that will create a magical light show!Wide applications: The twinkly icicle light is perfect for parties, Christmas, Halloween, eaves, yards, trees, gardens, and outdoor decorations. Good to know:If you use this product outdoors, ensure that the USB connection is plugged indoors in a dry environment.The product has a USB connector, but the certified 5V USB power source is not included.