Harness the power of the sun and enhance your outdoor space with this celestial solar mobile Acrylic moon and star icons cascade down from the plastic topper, which houses the solar panel Lights automatically at night and lasts around 8 hours before switching itself off; for best results, charge in direct sunlight for at least 8 hours Requires 1 rechargeable AA battery, which is included Measures approximately 7.5 x 7.5 x 27.5 inches