LED Winter White Snowflake Acrylic Necklace are lovely snowflake pendant necklaces, simple and elegant, perfect for Winter Holidays and Disney Frozen themed parties. To activate your LED Acrylic Necklace, press the button located on the Battery Housing to activate one LED function: Steady light. Check out more LED Necklaces now! Necklace Length: 32"Pendant Dimensions (Diam. ): 2. 75"LED Winter White Snowflake Acrylic Necklace comes ready to use with 2 replaceable CR1220 Batteries