Hello, humans and fellow hybrids! I am Flora Polly, your est headgear confidante. Now, let me tell you a story - my mother is a gorgeous, real flower and my father, a cool microchip. I'm oh-so-grateful to come from both worlds; the beauty of nature and the pizzazz of technology! Specifications LED Colors: Multi Color Batteries: (2) CR2032, Replaceable Dimension: 7 x 3 in.