Light up your New Year's Eve party and light up your guests with our Happy New Year light-up necklace. Each Happy New Year round pendant is 1 1/4" in diameter and comes on a 24" cord. All pendants have a multi-functional switch, slow blink, fast blink or constant on and come with batteries included and installed and white LEDs. Our Happy New Year light-up pendant is sold by the piece. Please order in increments of 1 necklace.