Show everyone who's top dog with a Red #1 LED Necklace! This number 1 necklace is perfect for sports events, fundraising, school stores, parades, school spirit events, and other occasions where you want to boast about the fact that you or your favorite team are at the top of the heap. This 2-inch red number 1 necklace features a high-powered LED light that flashes when turned on, ensuring everyone in the vicinity knows exactly which team you're rooting for! This light-up red number 1 necklace is sure to add an extra element of fun to any nighttime event! Your Red Number 1 LED Necklace is sold individually and comes with batteries pre-installed. Replacement batteries: 2 CR1620