SOLAR ENERGY: Energy saving and environment friendly, Keep switch inON position when get direct sunshine. Charge during the day time and glow in night. LED lights work last up to 100,000 hours COLOR CHANGING: 6 color changing LED bulb illuminating the crystals at night, calmly and softly changing from one color to another in random LIGHT SENSOR: Lights light up automatically at night, featuring color changing LED bulbs, and change colors in random LONG WORKING TIME: LED LIGHTS inside last up to 6 - 8 hours when fully charged . Eligible and durable plastic products,no fade,no shape change INDOOR OUTDOOR DECOR: Hook to easily hang from trees, fences, patio, garden, lawn, other features. Great gift for Christmas, Birthday, Holiday, Thanksgiving, Halloween, Mothers Day, Fathers Day A variety of styles are available