Specifications: 50 LED per set, Longer string and more economic, total length 7m/23ft, lamp spacing 10cm/0.33ft. Eco-friendly: Solar powered, no wire and no electricity needed. Put the solar panel face sunshine directly during the day, the bulbs will light up automatically at night for about 8 hours. Automatically & waterproof: Being exposed to sunshine during the day, and it begins to light up at night automatically when power on. All light bulbs are in line with waterproof grade IP44. Widely used: These vivid solar Start lights can be used in gardens, yards, patio, trees, balconies, etc. Shipping & Delivery: All orders are shipped within 24 hours. The approximate delivery time of this product is 2-7 business days. All orders are shipped with a tracking number so you can track them every step of the way.