Lightahead&reg; 200 LED Solar Christmas Lights 22 meter (72 feet) Outdoor Garden Solar Powered String Lights Waterproof GREEN) 72ft / 22 m LED Solar Fairy String Festive Lights with 200 LED Bulbs Environment-friendly Solar Powered products, high energy conversion rate. Put under sunshine during the day, and it begins to light up at night. Great to use all year round