Put any message in lights with our Blue LED Badge! Perfect to use as name badges, to light up the course at nighttime golf tournaments, or to make yourself more visible to motorists when you're out for a moonlit run, this light-up blue badge has countless uses. Measuring 2" in diameter, the blue badge is lit by high-powered LEDs that are powered by (3) AG3 batteries that are included and installed. With three light functions that are controlled by a multi-function switch on the back, the light-up blue badge is sure to make a statement no matter what you're using it for. Match your light-up blue badge to your party decor or color scheme and use it as part of your decorations or just use them as fun name badges. Each light-up blue badge is sold by the piece.