Firefly Solar Colorful Trendy Novel LED Car Decoration Round Crystal Freshener Perfume Bottle Color Changing Unique Fancy Ideal Gift for Christmas Color changing solar crystal car perfume bottle; Automatically charged by the sun during the day, when the vibrations start automatically when driving at night, issuing colorful light, changing colors. When nighttime parking for about 5 minutes off automatically, without shutting down the switch. If you put perfume it, nice aroma release durable.perfume not included Dimensions: 120X80X85mm.