Fun Central R374, LED Light Up Light Chaser Necklace, Glow Necklaces, Flashing Lights Necklace, Long Glow Stick, Glow in the Dark Necklace for Concert, Rave and Night Party, Multicolor - 1 Pc Size: This LED Light Chaser Necklace measures approximately 27 inches and features a transparent tube with red, blue, green and yellow LEDs. FANCY: Bright LED necklace looks cool and adorable. To turn the LEDs on, 4 modes are available: circular (the LEDs appear to be moving in a circle), flashing, left-to-right (the LEDs appear to be moving back and forth), and sequential (all first 3 modes repeated). PERFECT FOR PARTIES: The perfect flashing necklace is now in store. This LED Light Chaser Necklace is perfect for different kinds of parties and events such as neon parties, birthday parties, Christmas parties, Halloween parties, concerts, weddings and many more! INCLUDES: Each pack contains one (1) LED Light Chaser Necklace. 3 x AG13 batteries are included and installed. MANUFACTURING: This LED necklace is made from high quality plastic and CPSIA Compliant that is safe, non-toxic and environmentally-friendly. Each light up necklace for kids is strong, durable and has no chemical odor.