Celebrate the holidays with our festive flashing LED Christmas Tree Necklace. Our necklace features (9) 2 1/2" 3D green Christmas trees that light up in 3 different light modes: super slow blink, slow flash, and fast flash! Perfect for corporate holiday parties, Christmas Eve events and all of your holiday events. It makes a festive photo booth prop, stocking stuffer, Secret Santa gift, party favor or giveaway. Bestow upon your guests or even use as room decor! Each 31" necklace is powered by 3 included, installed and replaceable AG13 batteries. Spread holiday cheer near & fir in this LED Christmas Tree Necklace! US Patent Number: 10,064,461