You naughty devil with horns that blink You aren't any nicer just cause they're pink I bet you wear them where ever you go Creating flashing fun, not status quo To activate the glowing pink devil horns simply turn the switch above the battery pack to the ON position. These light up devil horns are one size fits most. Look here for more Light Up Pink Items! Note: Each Devil Horn headband is pack in a clear plastic bag. This item has a still light function when on, it does not flash or blink. Specifications: Height: 6.0 in. Width: 6.5 in. LED Colors: 2 White Batteries: Includes 4 AG13 Batteries