Instructions: To activate simply press the black button located on the handle. Press the button to change the light functions. Set it one of the 3 amazing flashing light functions! Check out some of our bright Music Items ! Dimensions: Height: 8.75 in. , 22.23 cm. Width: 5.25 in. , 13.34 cm. LED Colors: 2 Red, 1 Blue, 1 Jade Batteries: Includes 3 AG13 Batteries. The batteries are replaceable.