Our White Sound Activated LED Badge will light your nighttime events. Each white LED badge measures 4.5" high by 3" wide and comes with a 38" white breakaway lanyard attached. Slide the switch up for sound-activated lights. Slide the switch down for steady on lights. With the help of an LED light at the top of the pendant, the light-up white badge lights brightly. Perfect for party goers and decorations to brighten your room! Our LED light-up white badges have numerous uses that will delight anyone! Sold by the piece, our White Sound Activated LED Badge has 2 replaceable CR1220 comes with batteries included and installed.