ALEKO Solar Powered White Holiday String Lights 50 LED, 23 Feet No energy costs. No outlet needed Easy to operate and install. Solar panel comes with garden stake. Create an enchanting warm atmosphere in your home, garden, patio, lawn, porch, or yard and illuminate the night with these beautiful lights. Solar panel converts sunshine into electricity during the day and lights turn on automatically at night. Lights stay lit for more than 8 hours at night. 50 lights. 23 inch in length. Mode: Steady, flash.