This 300-LED Christmas light string features a UL-certified 29V low-voltage plug and an IP44 waterproof rating that ensures safe and worry-free use, even in rainy or windy conditions. The plug-and-play switch design offers convenient operation. The total length of the light string is 115 ft., including a 16.5 ft. lead wire and a 98.5 ft. main body, with a bulb spacing of 3.9 in. The green wire design blends naturally into the winter atmosphere. Simply press the button on the plug to switch between 8-lighting modes: combination, waves, sequential, fading, chasing/flashing, slow fade, twinkling/flashing, allowing you to tailor the display to different decorative requirements. It supports up to 4 light strings connected in series (up to 1200 LEDs in total). The white LED light string adds a touch of brilliance to your Christmas decorations, whether it's indoors in a room, outdoors in the garden, or courtyard. It's perfect for Christmas parties, holiday celebrations, performances, hotels, parks, restaurants, and other venues. Material: Plastic.