LWR Pet Pillow Cushion Star Projector Night Light, Black Penguin Full starry night sky projection on ceiling and walls that helps ease the fear of darkness and offer a good sleep for children of all ages. Four soothing color options blue, green,red and orange to create magical, tranquil environments. Sings the song for children's good sleep, four songs for you to choose. Auto shut off,60 minutes sleep timer. Runs on three AAA batteries(not included),ideal for ages 2 to adult.