Ambient loop. Non stop sounds from your nightmares. 4 extra sounds to choose from for layering. Demon lullaby, screaming woman, wolf howling, & a cat yowling. Perfect for Halloween or any scary, creepy or demonic room. *WARNING* This will get into your head & may freak some people out. Not for the faint of heart. When you load the product a shadow will appear on the floor. Jump on the dot there to start the player.