The Moonrays Outdoor Plastic Solar Powered Color-Changing LED Umbrella Party Lights provide a colorful festive spirit to any patio or deck, all while taking advantage of solar energy. These plastic lights have a (7) color-changing LED in each that automatically illuminate at night. The LED bulbs will never need to be replaced and will remain cool to the touch at all times, providing safe lighting that will not burn or heat-up. Moonrays solar lights gather energy from the sun during the day and then automatically come on at dusk to provide outdoor lighting exactly where you want it. The (1) rechargeable battery (included) charges using the sun?s rays and advanced Moonrays solar technology to provide light for 6 to 8-hours on a full battery charge. These party lights come in an 8-pack with the colors green, blue, orange, clear and purple and easily clips to umbrellas, awnings, gazebos and more (clips included). These lights measures 3 in. by 4.25 in. tall. Let Moonrays help make your outdoor settings as livable, enjoyable and charming as any room in your home. The Moonrays Outdoor Plastic Solar Powered Color-Changing LED Umbrella Party Lights come with a 1-year limited warranty provided to the original purchaser, which protects this product from manufacturing defects in material, assembly and workmanship.