To activate your LED Mohawk, turn the hair piece (on a hinge for easy packaging), remove pull tab & press small button on the side. Choose from fast flash, slow change, all lights on steady, red blink, blue blink & white blink. Item Dimensions: Height: 9 in. Width: 11.75 in. LED Colors: Red, White & Blue Comes ready to use with 3 replaceable AG13 Batteries.