12 LED light up necklace bulbsin 4 colors (red, blue, yellow and green) on a 45 inches perimeter necklace. . The colors are incredibly bright. Ideal for Christmas Xmas Party Favors, Ugly Sweater Party, Halloween Party Favors Holiday Family Celebration Party, Holiday Party Favors, Christmas Dress-up Accessories, Christmas Light-up Toys, Christmas Holiday Decorations
Batteries are included and installed, ready for immediate use. Requires 2X CR2032 batteries. Batteries are replaceable. Long lasting.