【20 Pcs LED Head Crowns】Led headbands built-in battery, no extra battery needed, just unplug the insulating piece and press the button to use, there are three light modes: fast flash, slow flash and constant light for your free choice. This luminous flower wreath is perfect for night party, costume party, concerts, birthday party, weddings, christmas, halloween, new year's day, festivals, photographs etc.especially for ladies, children, brides, bridesmaids, it can make you more charming, beautiful, fashion and attractive, let you become the most shining star in the crowd. This glowing wreath is made of plastic and wire, glowing wire length is about 2M/6.56ft. The diameter of the flower wreath is about 40cm/15.75in. The glowing wire can be bent and shaped easily but not break. It's lightweight and portable, you can hang it on the wall, above the window, on the door, on the tree or anywhere you like to decorate.