Color Changing Glitter Wands have 6 light functions. Choose from a fast flash of color, single blinking colors or a transition of all the LED colors. To activate or change the setting press the blue button located below the battery housing. Item Dimensions: Height: 7.50 in. , 19.05 cm Width: 0.62 in. , 1.57 cm. Strap Length: 7.5 in. , 19.05 cm. Colors: 1 Blue, 1 Jade, 1 Red Batteries: Includes 3 AG13 Batteries. The LED light stick’s batteries are replaceable.