Look like a rockstar with our EL shutter slotted shades! These shutter slotted shades are lined with super bright EL wire. To turn them on, simply press the button on the battery pack. Use the button to change the modes; you can choose from fast flash, slow flash, and constant on. Press the other button on the battery pack to turn on the sound activated mode. In this mode, the shutter shades will light up in response to any noise or music. Sold individually. Requires 2 AAA batteries (not included) .