Have a great night on the town and in the casinos with Welcome To Las Vegas Body Lights! Disclaimer: This product is not suitable for children under 7 years of age. To activate, twist backing clockwise. To deactivate twist counterclockwise. Dimensions: Height: 1 in. Width: 1.4 in. LED Colors: 1 Blue, 1 Red, 4 Yellow. Batteries: Includes 2 CR927 Batteries. Batteries for this item are replaceable.