A maniacal clown has a crazed wandering eye. It's a sickening special effect that makes this scary costume truly disturbing. Just download a free Digital Dudz App (unique to your mask) on your smart phone. Slide it into position in your full, over-the-head latex mask, launch the animation and bring your mask to life. This mask is a perfect and perfectly terrifying addition to your clown Halloween costume. Mask pocket can accommodate a mobile device up to 6" x 3.25" (pretty much everything including the Galaxy Note II). Apple devices must be running iOS 5 or greater. Android must be running Android 2.2 or greater.