To activate your Soft Ghost Necklace, press the button on the bottom of the ghost. Choose from a flashing of all LEDs, a slow transition through every color, a still glowing light or blinking jade, red or blue. Height: 4.0 in. - Width: 3.0 in. - Necklace: 30 in. LED Colors:Blue, Red and Jade Batteries: Includes 3 replaceable AG3 batteries. - Weight: 0.21 LBWe customize this item. Please send us an email for quotation.